109102920 has 64 divisors (see below), whose sum is σ = 328648320. Its totient is φ = 28975104.

The previous prime is 109102913. The next prime is 109102943. The reversal of 109102920 is 29201901.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 29832 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 2^109102920 is an apocalyptic number.

109102920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109102920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164324160).

109102920 is an abundant number, since it is smaller than the sum of its proper divisors (219545400).

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

109102920 is a wasteful number, since it uses less digits than its factorization.

109102920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3730 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 109102920 is about 10445.2343200141. The cubic root of 109102920 is about 477.8359176088.

The spelling of 109102920 in words is "one hundred nine million, one hundred two thousand, nine hundred twenty".