115025020 has 96 divisors (see below), whose sum is σ = 276696000. Its totient is φ = 40113920.

The previous prime is 115025011. The next prime is 115025021. The reversal of 115025020 is 20520511.

It is a junction number, because it is equal to n+sod(n) for n = 115024985 and 115025003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115025021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771906 + ... + 772054.

It is an arithmetic number, because the mean of its divisors is an integer number (2882250).

Almost surely, 2^115025020 is an apocalyptic number.

115025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115025020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138348000).

115025020 is an abundant number, since it is smaller than the sum of its proper divisors (161670980).

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

115025020 is a wasteful number, since it uses less digits than its factorization.

115025020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 196 counting only the distinct ones).

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

The square root of 115025020 is about 10724.9717948347. The cubic root of 115025020 is about 486.3296774687.

Adding to 115025020 its reverse (20520511), we get a palindrome (135545531).

The spelling of 115025020 in words is "one hundred fifteen million, twenty-five thousand, twenty".