20795924898 has 24 divisors (see below), whose sum is σ = 51494671488. Its totient is φ = 5941692792.

The previous prime is 20795924893. The next prime is 20795924909. The reversal of 20795924898 is 89842959702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (20795924893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82523386 + ... + 82523637.

It is an arithmetic number, because the mean of its divisors is an integer number (2145611312).

Almost surely, 2^20795924898 is an apocalyptic number.

20795924898 is an abundant number, since it is smaller than the sum of its proper divisors (30698746590).

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

20795924898 is a wasteful number, since it uses less digits than its factorization.

20795924898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165047038 (or 165047035 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 20795924898 in words is "twenty billion, seven hundred ninety-five million, nine hundred twenty-four thousand, eight hundred ninety-eight".