20516525334 has 12 divisors (see below), whose sum is σ = 44452471596. Its totient is φ = 6838841772.

The previous prime is 20516525329. The next prime is 20516525353. The reversal of 20516525334 is 43352561502.

20516525334 is a `hidden beast` number, since 20 + 51 + 6 + 52 + 533 + 4 = 666.

20516525334 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569903464 + ... + 569903499.

It is an arithmetic number, because the mean of its divisors is an integer number (3704372633).

Almost surely, 2^20516525334 is an apocalyptic number.

20516525334 is an abundant number, since it is smaller than the sum of its proper divisors (23935946262).

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

20516525334 is a wasteful number, since it uses less digits than its factorization.

20516525334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139806971 (or 1139806968 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 20516525334 in words is "twenty billion, five hundred sixteen million, five hundred twenty-five thousand, three hundred thirty-four".