117115020 has 72 divisors (see below), whose sum is σ = 387550800. Its totient is φ = 28391040.

The previous prime is 117115013. The next prime is 117115039. The reversal of 117115020 is 20511711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 117114984 and 117115002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27595 + ... + 31554.

It is an arithmetic number, because the mean of its divisors is an integer number (5382650).

Almost surely, 2^117115020 is an apocalyptic number.

117115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117115020 is an abundant number, since it is smaller than the sum of its proper divisors (270435780).

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

117115020 is a wasteful number, since it uses less digits than its factorization.

117115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59175 (or 59170 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 117115020 is about 10821.9693217085. The cubic root of 117115020 is about 489.2575455902.

Adding to 117115020 its reverse (20511711), we get a palindrome (137626731).

The spelling of 117115020 in words is "one hundred seventeen million, one hundred fifteen thousand, twenty".