20504651676100 has 36 divisors (see below), whose sum is σ = 44591195953024. Its totient is φ = 8184146050080.

The previous prime is 20504651676083. The next prime is 20504651676137. The reversal of 20504651676100 is 167615640502.

It is a super-2 number, since 2×20504651676100² (a number of 27 digits) contains 22 as substring.

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, 221386224 + ... + 221478823.

Almost surely, 2^{20504651676100} is an apocalyptic number.

20504651676100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20504651676100 is an abundant number, since it is smaller than the sum of its proper divisors (24086544276924).

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

20504651676100 is a wasteful number, since it uses less digits than its factorization.

20504651676100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442865524 (or 442865517 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 20504651676100 in words is "twenty trillion, five hundred four billion, six hundred fifty-one million, six hundred seventy-six thousand, one hundred".