117108220 has 24 divisors (see below), whose sum is σ = 246741264. Its totient is φ = 46688256.

The previous prime is 117108209. The next prime is 117108239. The reversal of 117108220 is 22801711.

It is a junction number, because it is equal to n+sod(n) for n = 117108191 and 117108200.

It is a congruent number.

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, 3397 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (10280886).

Almost surely, 2^117108220 is an apocalyptic number.

117108220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117108220 is an abundant number, since it is smaller than the sum of its proper divisors (129633044).

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

117108220 is a wasteful number, since it uses less digits than its factorization.

117108220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389 (or 19387 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 117108220 is about 10821.6551414282. The cubic root of 117108220 is about 489.2480762221.

Adding to 117108220 its reverse (22801711), we get a palindrome (139909931).

The spelling of 117108220 in words is "one hundred seventeen million, one hundred eight thousand, two hundred twenty".