19800169324 has 24 divisors (see below), whose sum is σ = 37320524640. Its totient is φ = 9137359104.

The previous prime is 19800169303. The next prime is 19800169349. The reversal of 19800169324 is 42396100891.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480612 + ... + 520180.

It is an arithmetic number, because the mean of its divisors is an integer number (1555021860).

Almost surely, 2^19800169324 is an apocalyptic number.

It is an amenable number.

19800169324 is a deficient number, since it is larger than the sum of its proper divisors (17520355316).

19800169324 is a wasteful number, since it uses less digits than its factorization.

19800169324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49209 (or 49207 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 19800169324 in words is "nineteen billion, eight hundred million, one hundred sixty-nine thousand, three hundred twenty-four".