108889020 has 36 divisors (see below), whose sum is σ = 330297240. Its totient is φ = 29037024.

The previous prime is 108889013. The next prime is 108889021. The reversal of 108889020 is 20988801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108889021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302290 + ... + 302649.

Almost surely, 2^108889020 is an apocalyptic number.

108889020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108889020 is an abundant number, since it is smaller than the sum of its proper divisors (221408220).

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

108889020 is a wasteful number, since it uses less digits than its factorization.

108889020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604954 (or 604949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 108889020 is about 10434.9901772833. The cubic root of 108889020 is about 477.5234421027.

The spelling of 108889020 in words is "one hundred eight million, eight hundred eighty-nine thousand, twenty".