117834220 has 96 divisors (see below), whose sum is σ = 293328000. Its totient is φ = 39739392.

The previous prime is 117834169. The next prime is 117834229. The reversal of 117834220 is 22438711.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (117834229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610444 + ... + 610636.

It is an arithmetic number, because the mean of its divisors is an integer number (3055500).

Almost surely, 2^117834220 is an apocalyptic number.

117834220 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 117834220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146664000).

117834220 is an abundant number, since it is smaller than the sum of its proper divisors (175493780).

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

117834220 is a wasteful number, since it uses less digits than its factorization.

117834220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 117834220 is about 10855.1471662065. The cubic root of 117834220 is about 490.2570080313.

The spelling of 117834220 in words is "one hundred seventeen million, eight hundred thirty-four thousand, two hundred twenty".