20104104425 has 24 divisors (see below), whose sum is σ = 25632656280. Its totient is φ = 15634944000.

The previous prime is 20104104413. The next prime is 20104104467. The reversal of 20104104425 is 52440140102.

It can be written as a sum of positive squares in 12 ways, for example, as 3726247849 + 16377856576 = 61043^2 + 127976^2 .

It is not a de Polignac number, because 20104104425 - 2⁸ = 20104104169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20104104425.

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 23 ways as a sum of consecutive naturals, for example, 74825 + ... + 214025.

It is an arithmetic number, because the mean of its divisors is an integer number (1068027345).

Almost surely, 2^20104104425 is an apocalyptic number.

20104104425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20104104425 is a deficient number, since it is larger than the sum of its proper divisors (5528551855).

20104104425 is a wasteful number, since it uses less digits than its factorization.

20104104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139373 (or 139368 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20104104425 its reverse (52440140102), we get a palindrome (72544244527).

The spelling of 20104104425 in words is "twenty billion, one hundred four million, one hundred four thousand, four hundred twenty-five".