20523632502 has 32 divisors (see below), whose sum is σ = 41753986560. Its totient is φ = 6723485280.

The previous prime is 20523632471. The next prime is 20523632513.

20523632502 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20523632502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470668 + ... + 2478960.

It is an arithmetic number, because the mean of its divisors is an integer number (1304812080).

Almost surely, 2^20523632502 is an apocalyptic number.

20523632502 is an abundant number, since it is smaller than the sum of its proper divisors (21230354058).

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

20523632502 is a wasteful number, since it uses less digits than its factorization.

20523632502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 20523632502 in words is "twenty billion, five hundred twenty-three million, six hundred thirty-two thousand, five hundred two".