CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 230,874	$ 63,624
Marketable securities	580,526	112,777
Accounts receivable, net of allowances of $5,193 and $2,071 as of October 31, 2019 and January 31, 2019, respectively	95,770	63,613
Deferred contract acquisition costs, current	39,609	26,453
Prepaid expenses and other current assets	72,620	10,252
Total current assets	1,019,399	276,719
Deferred contract acquisition costs, noncurrent	40,792	29,063
Property and equipment, net	53,848	37,275
Operating lease right-of-use assets	53,308
Other assets, noncurrent	20,710	11,508
Total assets	1,188,057	354,565
Current liabilities:
Accounts payable	3,202	4,963
Accrued expenses and other current liabilities	128,064	32,256
Deferred revenue, current	186,537	115,122
Total current liabilities	317,803	152,341
Deferred revenue, noncurrent	15,062	10,651
Operating lease liabilities, noncurrent	50,132
Other liabilities, noncurrent	32,543	39,460
Total liabilities	415,540	202,452
Commitments and contingencies (Note 8)
Stockholders’ equity (deficit):
Preferred stock	0	0
Common stock, $0.001 par value per share, 2,000,000,000 and 320,000,000 Class A shares authorized as of October 31, 2019 and January 31, 2019, respectively; 109,311,196 and zero shares issued and outstanding as of October 31, 2019 and January 31, 2019, respectively; 300,000,000 Class B shares authorized as of October 31, 2019 and January 31, 2019; 166,915,262 and 90,327,435 shares issued and outstanding as of October 31, 2019 and January 31, 2019, respectively	275	89
Additional paid-in capital	786,778	17,760
Accumulated other comprehensive income (loss)	651	(135)
Accumulated deficit	(15,187)	(25,153)
Total stockholders’ equity (deficit)	772,517	(7,439)
Total liabilities, convertible preferred stock, and stockholders’ equity (deficit)	1,188,057	354,565
Convertible Preferred Stock
Stockholders’ equity (deficit):
Preferred stock	$ 0	$ 159,552