CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,652,263	$ 778,653
Investments, current	341,409	976,508
Accounts receivable, net	799,960	838,743
Prepaid expenses and other current assets	140,853	129,839
Deferred commissions, current	120,762	99,072
Total current assets	3,055,247	2,822,815
Investments, non-current	18,228	35,370
Accounts receivable, non-current	316,824	468,934
Operating lease right-of-use assets	374,980	267,086
Property and equipment, net	185,606	156,928
Intangible assets, net	199,210	238,415
Goodwill	1,301,073	1,292,840
Deferred commissions, non-current	67,854	88,990
Other assets	75,673	68,093
Total assets	5,594,695	5,439,471
Current liabilities:
Accounts payable	16,479	18,938
Accrued compensation	286,101	286,159
Accrued expenses and other liabilities	190,820	177,822
Deferred revenue, current	763,646	829,377
Total current liabilities	1,257,046	1,312,296
Convertible senior notes, net	2,275,313	1,714,630
Operating lease liabilities	339,394	235,631
Deferred revenue, non-current	110,504	176,832
Other liabilities, non-current	3,126	653
Total non-current liabilities	2,728,337	2,127,746
Total liabilities	3,985,383	3,440,042
Commitments and contingencies (Note 3 and 4)
Stockholders' equity:
Common stock: $0.001 par value; 1,000,000,000 shares authorized; 161,701,267 shares issued and outstanding at October 31, 2020, and 157,787,548 shares issued and outstanding at January 31, 2020	162	157
Accumulated other comprehensive loss	(4,625)	(5,312)
Additional paid-in capital	3,943,678	3,566,055
Accumulated deficit	(2,329,903)	(1,561,471)
Total stockholders' equity	1,609,312	1,999,429
Total liabilities and stockholders' equity	$ 5,594,695	$ 5,439,471
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	161,701,267	157,787,548
Common stock, shares outstanding	161,701,267	157,787,548