19952308260 has 96 divisors (see below), whose sum is σ = 62107718400. Its totient is φ = 5317712640.

The previous prime is 19952308199. The next prime is 19952308279. The reversal of 19952308260 is 6280325991.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092000 + ... + 1110120.

It is an arithmetic number, because the mean of its divisors is an integer number (646955400).

Almost surely, 2^19952308260 is an apocalyptic number.

19952308260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19952308260 is an abundant number, since it is smaller than the sum of its proper divisors (42155410140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19952308260 is a wasteful number, since it uses less digits than its factorization.

19952308260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20178 (or 20170 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 19952308260 in words is "nineteen billion, nine hundred fifty-two million, three hundred eight thousand, two hundred sixty".