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2020769856 = 26347233239
BaseRepresentation
bin111100001110010…
…1000000001000000
312012211102202010000
41320130220001000
513114304113411
6532304040000
7101035155210
oct17034500100
95184382100
102020769856
11947743336
12484903000
1326286a011
14152544240
15bc616956
hex78728040

2020769856 has 280 divisors, whose sum is σ = 6904085760. Its totient is φ = 572479488.

The previous prime is 2020769827. The next prime is 2020769893. The reversal of 2020769856 is 6589670202.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8454985 + ... + 8455223.

Almost surely, 22020769856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020769856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3452042880).

2020769856 is an abundant number, since it is smaller than the sum of its proper divisors (4883315904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020769856 is a wasteful number, since it uses less digits than its factorization.

2020769856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2020769856 is about 44952.9738282130. The cubic root of 2020769856 is about 1264.2674352674.

The spelling of 2020769856 in words is "two billion, twenty million, seven hundred sixty-nine thousand, eight hundred fifty-six".