19842932580 has 24 divisors (see below), whose sum is σ = 55560211392. Its totient is φ = 5291448672.

The previous prime is 19842932573. The next prime is 19842932609. The reversal of 19842932580 is 8523924891.

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, 165357712 + ... + 165357831.

It is an arithmetic number, because the mean of its divisors is an integer number (2315008808).

Almost surely, 2^19842932580 is an apocalyptic number.

19842932580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19842932580 is an abundant number, since it is smaller than the sum of its proper divisors (35717278812).

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

19842932580 is a wasteful number, since it uses less digits than its factorization.

19842932580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330715555 (or 330715553 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 19842932580 in words is "nineteen billion, eight hundred forty-two million, nine hundred thirty-two thousand, five hundred eighty".