115168220 has 12 divisors (see below), whose sum is σ = 241853304. Its totient is φ = 46067280.

The previous prime is 115168219. The next prime is 115168237. The reversal of 115168220 is 22861511.

It is a self number, because there is not a number n which added to its sum of digits gives 115168220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879186 + ... + 2879225.

It is an arithmetic number, because the mean of its divisors is an integer number (20154442).

Almost surely, 2^115168220 is an apocalyptic number.

115168220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115168220 is an abundant number, since it is smaller than the sum of its proper divisors (126685084).

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

115168220 is a wasteful number, since it uses less digits than its factorization.

115168220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758420 (or 5758418 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 115168220 is about 10731.6457265417. The cubic root of 115168220 is about 486.5314119245.

The spelling of 115168220 in words is "one hundred fifteen million, one hundred sixty-eight thousand, two hundred twenty".