20100904104 has 16 divisors (see below), whose sum is σ = 50252260320. Its totient is φ = 6700301360.

The previous prime is 20100904097. The next prime is 20100904121. The reversal of 20100904104 is 40140900102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418768812 + ... + 418768859.

It is an arithmetic number, because the mean of its divisors is an integer number (3140766270).

Almost surely, 2^20100904104 is an apocalyptic number.

20100904104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20100904104 is an abundant number, since it is smaller than the sum of its proper divisors (30151356216).

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

20100904104 is a wasteful number, since it uses less digits than its factorization.

20100904104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837537680 (or 837537676 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20100904104 in words is "twenty billion, one hundred million, nine hundred four thousand, one hundred four".