117250220 has 24 divisors (see below), whose sum is σ = 249345600. Its totient is φ = 46305792.

The previous prime is 117250213. The next prime is 117250247. The reversal of 117250220 is 22052711.

It is a super-2 number, since 2×117250220² = 27495228180096800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 117250192 and 117250201.

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, 35525 + ... + 38684.

It is an arithmetic number, because the mean of its divisors is an integer number (10389400).

Almost surely, 2^117250220 is an apocalyptic number.

117250220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117250220 is an abundant number, since it is smaller than the sum of its proper divisors (132095380).

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

117250220 is a wasteful number, since it uses less digits than its factorization.

117250220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74297 (or 74295 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 117250220 is about 10828.2140725052. The cubic root of 117250220 is about 489.4457428639.

The spelling of 117250220 in words is "one hundred seventeen million, two hundred fifty thousand, two hundred twenty".