19955800232 has 16 divisors (see below), whose sum is σ = 37418789760. Its totient is φ = 9977456304.

The previous prime is 19955800231. The next prime is 19955800273. The reversal of 19955800232 is 23200855991.

It is not an unprimeable number, because it can be changed into a prime (19955800231) 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, 210803 + ... + 290429.

It is an arithmetic number, because the mean of its divisors is an integer number (2338674360).

Almost surely, 2^19955800232 is an apocalyptic number.

It is an amenable number.

19955800232 is a deficient number, since it is larger than the sum of its proper divisors (17462989528).

19955800232 is a wasteful number, since it uses less digits than its factorization.

19955800232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110960 (or 110956 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 19955800232 in words is "nineteen billion, nine hundred fifty-five million, eight hundred thousand, two hundred thirty-two".