20536792100 has 36 divisors (see below), whose sum is σ = 48616190448. Its totient is φ = 7467924000.

The previous prime is 20536792063. The next prime is 20536792121. The reversal of 20536792100 is 129763502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9333806 + ... + 9336005.

Almost surely, 2^20536792100 is an apocalyptic number.

20536792100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20536792100 is an abundant number, since it is smaller than the sum of its proper divisors (28079398348).

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

20536792100 is a wasteful number, since it uses less digits than its factorization.

20536792100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18669836 (or 18669829 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 20536792100 in words is "twenty billion, five hundred thirty-six million, seven hundred ninety-two thousand, one hundred".