19959892996 has 24 divisors (see below), whose sum is σ = 37954300160. Its totient is φ = 9149695200.

The previous prime is 19959892957. The next prime is 19959893033. The reversal of 19959892996 is 69929895991.

It is a Harshad number since it is a multiple of its sum of digits (76).

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, 4233615 + ... + 4238326.

Almost surely, 2^19959892996 is an apocalyptic number.

It is an amenable number.

19959892996 is a deficient number, since it is larger than the sum of its proper divisors (17994407164).

19959892996 is a wasteful number, since it uses less digits than its factorization.

19959892996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471995 (or 8471993 counting only the distinct ones).

The product of its digits is 255091680, while the sum is 76.

The spelling of 19959892996 in words is "nineteen billion, nine hundred fifty-nine million, eight hundred ninety-two thousand, nine hundred ninety-six".