20125000504 has 48 divisors (see below), whose sum is σ = 44347700880. Its totient is φ = 8536066560.

The previous prime is 20125000463. The next prime is 20125000561. The reversal of 20125000504 is 40500052102.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 226612 + ... + 302659.

It is an arithmetic number, because the mean of its divisors is an integer number (923910435).

Almost surely, 2^20125000504 is an apocalyptic number.

It is an amenable number.

20125000504 is an abundant number, since it is smaller than the sum of its proper divisors (24222700376).

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

20125000504 is a wasteful number, since it uses less digits than its factorization.

20125000504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529388 (or 529377 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 20125000504 its reverse (40500052102), we get a palindrome (60625052606).

The spelling of 20125000504 in words is "twenty billion, one hundred twenty-five million, five hundred four", and thus it is an aban number.