109298431920 has 80 divisors (see below), whose sum is σ = 340175227392. Its totient is φ = 29030112000.

The previous prime is 109298431919. The next prime is 109298431961. The reversal of 109298431920 is 29134892901.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×109298431920² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 109298431920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846952 + ... + 967431.

Almost surely, 2^109298431920 is an apocalyptic number.

109298431920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109298431920 is an abundant number, since it is smaller than the sum of its proper divisors (230876795472).

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

109298431920 is a wasteful number, since it uses less digits than its factorization.

109298431920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814650 (or 1814644 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 109298431920 in words is "one hundred nine billion, two hundred ninety-eight million, four hundred thirty-one thousand, nine hundred twenty".