19902483832 has 64 divisors (see below), whose sum is σ = 48548160000. Its totient is φ = 7417069440.

The previous prime is 19902483829. The next prime is 19902483851. The reversal of 19902483832 is 23838420991.

It is a super-2 number, since 2×19902483832² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 688207 + ... + 716542.

It is an arithmetic number, because the mean of its divisors is an integer number (758565000).

Almost surely, 2^19902483832 is an apocalyptic number.

It is an amenable number.

19902483832 is an abundant number, since it is smaller than the sum of its proper divisors (28645676168).

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

19902483832 is a wasteful number, since it uses less digits than its factorization.

19902483832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404796 (or 1404792 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 19902483832 in words is "nineteen billion, nine hundred two million, four hundred eighty-three thousand, eight hundred thirty-two".