20525452264 has 64 divisors (see below), whose sum is σ = 42224976000. Its totient is φ = 9322494720.

The previous prime is 20525452247. The next prime is 20525452279. The reversal of 20525452264 is 46225452502.

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, 293967 + ... + 357025.

It is an arithmetic number, because the mean of its divisors is an integer number (659765250).

Almost surely, 2^20525452264 is an apocalyptic number.

It is an amenable number.

20525452264 is an abundant number, since it is smaller than the sum of its proper divisors (21699523736).

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

20525452264 is a wasteful number, since it uses less digits than its factorization.

20525452264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63178 (or 63174 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 20525452264 in words is "twenty billion, five hundred twenty-five million, four hundred fifty-two thousand, two hundred sixty-four".