19675120804 has 24 divisors (see below), whose sum is σ = 35191497600. Its totient is φ = 9622210080.

The previous prime is 19675120781. The next prime is 19675120811. The reversal of 19675120804 is 40802157691.

It is a super-2 number, since 2×19675120804² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181564 + ... + 268915.

It is an arithmetic number, because the mean of its divisors is an integer number (1466312400).

Almost surely, 2^19675120804 is an apocalyptic number.

It is an amenable number.

19675120804 is a deficient number, since it is larger than the sum of its proper divisors (15516376796).

19675120804 is a wasteful number, since it uses less digits than its factorization.

19675120804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450723 (or 450721 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 19675120804 in words is "nineteen billion, six hundred seventy-five million, one hundred twenty thousand, eight hundred four".