20125203304 has 16 divisors (see below), whose sum is σ = 37764324900. Its totient is φ = 10054716672.

The previous prime is 20125203253. The next prime is 20125203401. The reversal of 20125203304 is 40330252102.

It can be written as a sum of positive squares in 2 ways, for example, as 20047728100 + 77475204 = 141590^2 + 8802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974769 + ... + 995200.

Almost surely, 2^20125203304 is an apocalyptic number.

It is an amenable number.

20125203304 is a deficient number, since it is larger than the sum of its proper divisors (17639121596).

20125203304 is a wasteful number, since it uses less digits than its factorization.

20125203304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971252 (or 1971248 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 20125203304 its reverse (40330252102), we get a palindrome (60455455406).

The spelling of 20125203304 in words is "twenty billion, one hundred twenty-five million, two hundred three thousand, three hundred four".