19937933072 has 20 divisors (see below), whose sum is σ = 39673793676. Its totient is φ = 9699534720.

The previous prime is 19937933051. The next prime is 19937933159. The reversal of 19937933072 is 27033973991.

It can be written as a sum of positive squares in 2 ways, for example, as 15051363856 + 4886569216 = 122684^2 + 69904^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct 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, 16838879 + ... + 16840062.

Almost surely, 2^19937933072 is an apocalyptic number.

It is an amenable number.

19937933072 is a deficient number, since it is larger than the sum of its proper divisors (19735860604).

19937933072 is a wasteful number, since it uses less digits than its factorization.

19937933072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33678986 (or 33678980 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 53.

The spelling of 19937933072 in words is "nineteen billion, nine hundred thirty-seven million, nine hundred thirty-three thousand, seventy-two".