19903882032 has 80 divisors (see below), whose sum is σ = 58209533280. Its totient is φ = 6509438208.

The previous prime is 19903882007. The next prime is 19903882051. The reversal of 19903882032 is 23028830991.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411763 + ... + 457554.

It is an arithmetic number, because the mean of its divisors is an integer number (727619166).

Almost surely, 2^19903882032 is an apocalyptic number.

19903882032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19903882032 is an abundant number, since it is smaller than the sum of its proper divisors (38305651248).

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

19903882032 is a wasteful number, since it uses less digits than its factorization.

19903882032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869387 (or 869375 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 19903882032 in words is "nineteen billion, nine hundred three million, eight hundred eighty-two thousand, thirty-two".