108115020 has 96 divisors (see below), whose sum is σ = 362255040. Its totient is φ = 26611200.

The previous prime is 108115013. The next prime is 108115043. The reversal of 108115020 is 20511801.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 108114984 and 108115002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (3773490).

Almost surely, 2^108115020 is an apocalyptic number.

108115020 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 108115020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181127520).

108115020 is an abundant number, since it is smaller than the sum of its proper divisors (254140020).

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

108115020 is a wasteful number, since it uses less digits than its factorization.

108115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15432 (or 15424 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 108115020 is about 10397.8372751260. The cubic root of 108115020 is about 476.3893138223.

Adding to 108115020 its reverse (20511801), we get a palindrome (128626821).

The spelling of 108115020 in words is "one hundred eight million, one hundred fifteen thousand, twenty".