115250020 has 12 divisors (see below), whose sum is σ = 242025084. Its totient is φ = 46100000.

The previous prime is 115249997. The next prime is 115250027. The reversal of 115250020 is 20052511.

It can be written as a sum of positive squares in 2 ways, for example, as 32512804 + 82737216 = 5702^2 + 9096^2 .

It is a super-2 number, since 2×115250020² = 26565134220000800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115249976 and 115250003.

It is not an unprimeable number, because it can be changed into a prime (115250027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881231 + ... + 2881270.

It is an arithmetic number, because the mean of its divisors is an integer number (20168757).

Almost surely, 2^115250020 is an apocalyptic number.

115250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115250020 is an abundant number, since it is smaller than the sum of its proper divisors (126775064).

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

115250020 is a wasteful number, since it uses less digits than its factorization.

115250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762510 (or 5762508 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 115250020 is about 10735.4562082848. The cubic root of 115250020 is about 486.6465734704.

The spelling of 115250020 in words is "one hundred fifteen million, two hundred fifty thousand, twenty".