20795924868 has 48 divisors (see below), whose sum is σ = 48676615680. Its totient is φ = 6910182144.

The previous prime is 20795924867. The next prime is 20795924869. The reversal of 20795924868 is 86842959702.

It is an interprime number because it is at equal distance from previous prime (20795924867) and next prime (20795924869).

It is a super-2 number, since 2×20795924868² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20795924867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9730296 + ... + 9732432.

It is an arithmetic number, because the mean of its divisors is an integer number (1014096160).

Almost surely, 2^20795924868 is an apocalyptic number.

It is an amenable number.

20795924868 is an abundant number, since it is smaller than the sum of its proper divisors (27880690812).

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

20795924868 is a wasteful number, since it uses less digits than its factorization.

20795924868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 20795924868 in words is "twenty billion, seven hundred ninety-five million, nine hundred twenty-four thousand, eight hundred sixty-eight".