20004412100 has 18 divisors (see below), whose sum is σ = 43409574474. Its totient is φ = 8001764800.

The previous prime is 20004412073. The next prime is 20004412237. The reversal of 20004412100 is 121440002.

It can be written as a sum of positive squares in 3 ways, for example, as 4612039744 + 15392372356 = 67912^2 + 124066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100021961 + ... + 100022160.

Almost surely, 2^20004412100 is an apocalyptic number.

20004412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004412100 is an abundant number, since it is smaller than the sum of its proper divisors (23405162374).

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

20004412100 is a wasteful number, since it uses less digits than its factorization.

20004412100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200044135 (or 200044128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20004412100 its reverse (121440002), we get a palindrome (20125852102).

The spelling of 20004412100 in words is "twenty billion, four million, four hundred twelve thousand, one hundred".