108905020 has 48 divisors (see below), whose sum is σ = 267761088. Its totient is φ = 36426240.

The previous prime is 108904997. The next prime is 108905021. The reversal of 108905020 is 20509801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108905021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (5578356).

Almost surely, 2^108905020 is an apocalyptic number.

108905020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108905020 is an abundant number, since it is smaller than the sum of its proper divisors (158856068).

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

108905020 is a wasteful number, since it uses less digits than its factorization.

108905020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030 (or 19028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 108905020 is about 10435.7568005392. The cubic root of 108905020 is about 477.5468298323.

The spelling of 108905020 in words is "one hundred eight million, nine hundred five thousand, twenty".