117229993920 has 672 divisors, whose sum is σ = 459765196800. Its totient is φ = 27178426368.

The previous prime is 117229993817. The next prime is 117229993921. The reversal of 117229993920 is 29399922711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117229993921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158632911 + ... + 158633649.

It is an arithmetic number, because the mean of its divisors is an integer number (684174400).

Almost surely, 2^117229993920 is an apocalyptic number.

117229993920 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 117229993920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229882598400).

117229993920 is an abundant number, since it is smaller than the sum of its proper divisors (342535202880).

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

117229993920 is a wasteful number, since it uses less digits than its factorization.

117229993920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The spelling of 117229993920 in words is "one hundred seventeen billion, two hundred twenty-nine million, nine hundred ninety-three thousand, nine hundred twenty".