19924734848 has 32 divisors (see below), whose sum is σ = 39913156920. Its totient is φ = 9907315200.

The previous prime is 19924734827. The next prime is 19924734887. The reversal of 19924734848 is 84843742991.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 406838 + ... + 453173.

Almost surely, 2^19924734848 is an apocalyptic number.

It is an amenable number.

19924734848 is an abundant number, since it is smaller than the sum of its proper divisors (19988422072).

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

19924734848 is an equidigital number, since it uses as much as digits as its factorization.

19924734848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860206 (or 860194 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The spelling of 19924734848 in words is "nineteen billion, nine hundred twenty-four million, seven hundred thirty-four thousand, eight hundred forty-eight".