19832355952 has 20 divisors (see below), whose sum is σ = 40447568680. Its totient is φ = 9394273728.

The previous prime is 19832355943. The next prime is 19832355967. The reversal of 19832355952 is 25955323891.

It is a self number, because there is not a number n which added to its sum of digits gives 19832355952.

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 3 ways as a sum of consecutive naturals, for example, 32618703 + ... + 32619310.

It is an arithmetic number, because the mean of its divisors is an integer number (2022378434).

Almost surely, 2^19832355952 is an apocalyptic number.

It is an amenable number.

19832355952 is an abundant number, since it is smaller than the sum of its proper divisors (20615212728).

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

19832355952 is a wasteful number, since it uses less digits than its factorization.

19832355952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65238040 (or 65238034 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 52.

The spelling of 19832355952 in words is "nineteen billion, eight hundred thirty-two million, three hundred fifty-five thousand, nine hundred fifty-two".