20500516602 has 48 divisors (see below), whose sum is σ = 46772475360. Its totient is φ = 6471506016.

The previous prime is 20500516573. The next prime is 20500516627. The reversal of 20500516602 is 20661500502.

20500516602 is a `hidden beast` number, since 2 + 0 + 5 + 0 + 0 + 51 + 6 + 602 = 666.

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, 1103313 + ... + 1121739.

It is an arithmetic number, because the mean of its divisors is an integer number (974426570).

Almost surely, 2^20500516602 is an apocalyptic number.

20500516602 is an abundant number, since it is smaller than the sum of its proper divisors (26271958758).

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

20500516602 is a wasteful number, since it uses less digits than its factorization.

20500516602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707 (or 21704 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 20500516602 in words is "twenty billion, five hundred million, five hundred sixteen thousand, six hundred two".