19770876120 has 32 divisors (see below), whose sum is σ = 59312628720. Its totient is φ = 5272233600.

The previous prime is 19770876119. The next prime is 19770876137. The reversal of 19770876120 is 2167807791.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19770876120.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 82378531 + ... + 82378770.

Almost surely, 2^19770876120 is an apocalyptic number.

19770876120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19770876120 is an abundant number, since it is smaller than the sum of its proper divisors (39541752600).

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

19770876120 is a wasteful number, since it uses less digits than its factorization.

19770876120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164757315 (or 164757311 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 19770876120 in words is "nineteen billion, seven hundred seventy million, eight hundred seventy-six thousand, one hundred twenty".