115164020 has 24 divisors (see below), whose sum is σ = 242710944. Its totient is φ = 45900576.

The previous prime is 115163999. The next prime is 115164029. The reversal of 115164020 is 20461511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 115163983 and 115164001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115164029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4514 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (10112956).

Almost surely, 2^115164020 is an apocalyptic number.

115164020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115164020 is an abundant number, since it is smaller than the sum of its proper divisors (127546924).

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

115164020 is a wasteful number, since it uses less digits than its factorization.

115164020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639 (or 20637 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 115164020 is about 10731.4500418163. The cubic root of 115164020 is about 486.5254975128.

The spelling of 115164020 in words is "one hundred fifteen million, one hundred sixty-four thousand, twenty".