115206020 has 24 divisors (see below), whose sum is σ = 245343168. Its totient is φ = 45432800.

The previous prime is 115206019. The next prime is 115206029. The reversal of 115206020 is 20602511.

It is a self number, because there is not a number n which added to its sum of digits gives 115206020.

It is not an unprimeable number, because it can be changed into a prime (115206029) 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, 39146 + ... + 41985.

It is an arithmetic number, because the mean of its divisors is an integer number (10222632).

Almost surely, 2^115206020 is an apocalyptic number.

115206020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115206020 is an abundant number, since it is smaller than the sum of its proper divisors (130137148).

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

115206020 is a wasteful number, since it uses less digits than its factorization.

115206020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81211 (or 81209 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115206020 is about 10733.4067285275. The cubic root of 115206020 is about 486.5846351594.

Adding to 115206020 its reverse (20602511), we get a palindrome (135808531).

The spelling of 115206020 in words is "one hundred fifteen million, two hundred six thousand, twenty".