20165363252 has 72 divisors (see below), whose sum is σ = 39130906752. Its totient is φ = 9073944000.

The previous prime is 20165363221. The next prime is 20165363261. The reversal of 20165363252 is 25236356102.

It is a super-2 number, since 2×20165363252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5013002 + ... + 5017022.

It is an arithmetic number, because the mean of its divisors is an integer number (543484816).

Almost surely, 2^20165363252 is an apocalyptic number.

It is an amenable number.

20165363252 is a deficient number, since it is larger than the sum of its proper divisors (18965543500).

20165363252 is a wasteful number, since it uses less digits than its factorization.

20165363252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 20165363252 in words is "twenty billion, one hundred sixty-five million, three hundred sixty-three thousand, two hundred fifty-two".