117820332 has 60 divisors (see below), whose sum is σ = 352013200. Its totient is φ = 33662304.

The previous prime is 117820331. The next prime is 117820369. The reversal of 117820332 is 233028711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 117820296 and 117820305.

It is not an unprimeable number, because it can be changed into a prime (117820331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23707 + ... + 28242.

Almost surely, 2^117820332 is an apocalyptic number.

117820332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117820332 is an abundant number, since it is smaller than the sum of its proper divisors (234192868).

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

117820332 is a wasteful number, since it uses less digits than its factorization.

117820332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51972 (or 51961 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 117820332 is about 10854.5074508243. The cubic root of 117820332 is about 490.2377466293.

The spelling of 117820332 in words is "one hundred seventeen million, eight hundred twenty thousand, three hundred thirty-two".