19480122920 has 32 divisors (see below), whose sum is σ = 44124453000. Its totient is φ = 7739751168.

The previous prime is 19480122919. The next prime is 19480122943. The reversal of 19480122920 is 2922108491.

It can be written as a sum of positive squares in 4 ways, for example, as 14133880996 + 5346241924 = 118886^2 + 73118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628279 + ... + 1640198.

Almost surely, 2^19480122920 is an apocalyptic number.

19480122920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19480122920 is an abundant number, since it is smaller than the sum of its proper divisors (24644330080).

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

19480122920 is a wasteful number, since it uses less digits than its factorization.

19480122920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268637 (or 3268633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 19480122920 in words is "nineteen billion, four hundred eighty million, one hundred twenty-two thousand, nine hundred twenty".