20004313125 has 20 divisors (see below), whose sum is σ = 33329856032. Its totient is φ = 10668966000.

The previous prime is 20004313111. The next prime is 20004313159. The reversal of 20004313125 is 52131340002.

It is not a de Polignac number, because 20004313125 - 2⁸ = 20004312869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5332609 + ... + 5336358.

Almost surely, 2^20004313125 is an apocalyptic number.

20004313125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004313125 is a deficient number, since it is larger than the sum of its proper divisors (13325542907).

20004313125 is an equidigital number, since it uses as much as digits as its factorization.

20004313125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668990 (or 10668975 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20004313125 its reverse (52131340002), we get a palindrome (72135653127).

The spelling of 20004313125 in words is "twenty billion, four million, three hundred thirteen thousand, one hundred twenty-five".