20372819504 has 20 divisors (see below), whose sum is σ = 39475419840. Its totient is φ = 10185614400.

The previous prime is 20372819471. The next prime is 20372819557. The reversal of 20372819504 is 40591827302.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199457 + ... + 283775.

It is an arithmetic number, because the mean of its divisors is an integer number (1973770992).

Almost surely, 2^20372819504 is an apocalyptic number.

It is an amenable number.

20372819504 is a deficient number, since it is larger than the sum of its proper divisors (19102600336).

20372819504 is a wasteful number, since it uses less digits than its factorization.

20372819504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99428 (or 99422 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20372819504 in words is "twenty billion, three hundred seventy-two million, eight hundred nineteen thousand, five hundred four".