20876102868 has 96 divisors (see below), whose sum is σ = 50071633920. Its totient is φ = 6767328640.

The previous prime is 20876102857. The next prime is 20876102869. The reversal of 20876102868 is 86820167802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20876102869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45284158 + ... + 45284618.

It is an arithmetic number, because the mean of its divisors is an integer number (521579520).

Almost surely, 2^20876102868 is an apocalyptic number.

It is an amenable number.

20876102868 is an abundant number, since it is smaller than the sum of its proper divisors (29195531052).

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

20876102868 is a wasteful number, since it uses less digits than its factorization.

20876102868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 20876102868 in words is "twenty billion, eight hundred seventy-six million, one hundred two thousand, eight hundred sixty-eight".