20104132100 has 72 divisors (see below), whose sum is σ = 49024570560. Its totient is φ = 7100311680.

The previous prime is 20104132099. The next prime is 20104132133. The reversal of 20104132100 is 123140102.

It is a super-2 number, since 2×20104132100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306290 + ... + 366089.

Almost surely, 2^20104132100 is an apocalyptic number.

20104132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20104132100 is an abundant number, since it is smaller than the sum of its proper divisors (28920438460).

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

20104132100 is a wasteful number, since it uses less digits than its factorization.

20104132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672429 (or 672422 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20104132100 its reverse (123140102), we get a palindrome (20227272202).

The spelling of 20104132100 in words is "twenty billion, one hundred four million, one hundred thirty-two thousand, one hundred".