19801152322 has 48 divisors (see below), whose sum is σ = 36241718400. Its totient is φ = 7946560512.

The previous prime is 19801152317. The next prime is 19801152337. The reversal of 19801152322 is 22325110891.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792858 + ... + 817450.

It is an arithmetic number, because the mean of its divisors is an integer number (755035800).

Almost surely, 2^19801152322 is an apocalyptic number.

19801152322 is a deficient number, since it is larger than the sum of its proper divisors (16440566078).

19801152322 is a wasteful number, since it uses less digits than its factorization.

19801152322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24835 (or 24818 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 19801152322 in words is "nineteen billion, eight hundred one million, one hundred fifty-two thousand, three hundred twenty-two".