115242020 has 24 divisors (see below), whose sum is σ = 242573184. Its totient is φ = 45989216.

The previous prime is 115241989. The next prime is 115242059. The reversal of 115242020 is 20242511.

It is a self number, because there is not a number n which added to its sum of digits gives 115242020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (10107216).

Almost surely, 2^115242020 is an apocalyptic number.

115242020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115242020 is an abundant number, since it is smaller than the sum of its proper divisors (127331164).

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

115242020 is a wasteful number, since it uses less digits than its factorization.

115242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13459 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 115242020 is about 10735.0836047047. The cubic root of 115242020 is about 486.6353131320.

Adding to 115242020 its reverse (20242511), we get a palindrome (135484531).

The spelling of 115242020 in words is "one hundred fifteen million, two hundred forty-two thousand, twenty".