20502652256 has 24 divisors (see below), whose sum is σ = 42738985800. Its totient is φ = 9648306688.

The previous prime is 20502652237. The next prime is 20502652267. The reversal of 20502652256 is 65225620502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18843806 + ... + 18844893.

It is an arithmetic number, because the mean of its divisors is an integer number (1780791075).

Almost surely, 2^20502652256 is an apocalyptic number.

It is an amenable number.

20502652256 is an abundant number, since it is smaller than the sum of its proper divisors (22236333544).

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

20502652256 is a wasteful number, since it uses less digits than its factorization.

20502652256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37688726 (or 37688718 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20502652256 in words is "twenty billion, five hundred two million, six hundred fifty-two thousand, two hundred fifty-six".