19873002208 has 24 divisors (see below), whose sum is σ = 39131444520. Its totient is φ = 9934857600.

The previous prime is 19873002203. The next prime is 19873002229. The reversal of 19873002208 is 80220037891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19873002203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158298 + ... + 254566.

It is an arithmetic number, because the mean of its divisors is an integer number (1630476855).

Almost surely, 2^19873002208 is an apocalyptic number.

It is an amenable number.

19873002208 is a deficient number, since it is larger than the sum of its proper divisors (19258442312).

19873002208 is an equidigital number, since it uses as much as digits as its factorization.

19873002208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102730 (or 102722 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 19873002208 in words is "nineteen billion, eight hundred seventy-three million, two thousand, two hundred eight".