19889900932 has 24 divisors (see below), whose sum is σ = 38226484800. Its totient is φ = 8980184160.

The previous prime is 19889900881. The next prime is 19889900959. The reversal of 19889900932 is 23900998891.

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, 1510368 + ... + 1523479.

It is an arithmetic number, because the mean of its divisors is an integer number (1592770200).

Almost surely, 2^19889900932 is an apocalyptic number.

It is an amenable number.

19889900932 is a deficient number, since it is larger than the sum of its proper divisors (18336583868).

19889900932 is a wasteful number, since it uses less digits than its factorization.

19889900932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034011 (or 3034009 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 19889900932 in words is "nineteen billion, eight hundred eighty-nine million, nine hundred thousand, nine hundred thirty-two".