19942835204 has 12 divisors (see below), whose sum is σ = 35491486800. Its totient is φ = 9802410408.

The previous prime is 19942835191. The next prime is 19942835249. The reversal of 19942835204 is 40253824991.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42251534 + ... + 42252005.

It is an arithmetic number, because the mean of its divisors is an integer number (2957623900).

Almost surely, 2^19942835204 is an apocalyptic number.

It is an amenable number.

19942835204 is a deficient number, since it is larger than the sum of its proper divisors (15548651596).

19942835204 is a wasteful number, since it uses less digits than its factorization.

19942835204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84503602 (or 84503600 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 19942835204 in words is "nineteen billion, nine hundred forty-two million, eight hundred thirty-five thousand, two hundred four".