19520708928 has 112 divisors (see below), whose sum is σ = 60931129344. Its totient is φ = 5397419520.

The previous prime is 19520708917. The next prime is 19520708969. The reversal of 19520708928 is 82980702591.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

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, 192600 + ... + 275927.

Almost surely, 2^19520708928 is an apocalyptic number.

It is an amenable number.

19520708928 is an abundant number, since it is smaller than the sum of its proper divisors (41410420416).

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

19520708928 is a wasteful number, since it uses less digits than its factorization.

19520708928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468580 (or 468570 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 19520708928 in words is "nineteen billion, five hundred twenty million, seven hundred eight thousand, nine hundred twenty-eight".