19907580802 has 8 divisors (see below), whose sum is σ = 30281954112. Its totient is φ = 9813596100.

The previous prime is 19907580779. The next prime is 19907580811. The reversal of 19907580802 is 20808570991.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 70096974 + ... + 70097257.

It is an arithmetic number, because the mean of its divisors is an integer number (3785244264).

Almost surely, 2^19907580802 is an apocalyptic number.

19907580802 is a deficient number, since it is larger than the sum of its proper divisors (10374373310).

19907580802 is a wasteful number, since it uses less digits than its factorization.

19907580802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140194304.

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 19907580802 in words is "nineteen billion, nine hundred seven million, five hundred eighty thousand, eight hundred two".