117020620 has 48 divisors (see below), whose sum is σ = 261324000. Its totient is φ = 43891200.

The previous prime is 117020611. The next prime is 117020623. The reversal of 117020620 is 26020711.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (117020623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36856 + ... + 39904.

It is an arithmetic number, because the mean of its divisors is an integer number (5444250).

Almost surely, 2^117020620 is an apocalyptic number.

117020620 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 117020620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130662000).

117020620 is an abundant number, since it is smaller than the sum of its proper divisors (144303380).

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

117020620 is a wasteful number, since it uses less digits than its factorization.

117020620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 117020620 is about 10817.6069442368. The cubic root of 117020620 is about 489.1260556891.

Subtracting from 117020620 its reverse (26020711), we obtain a palindrome (90999909).

The spelling of 117020620 in words is "one hundred seventeen million, twenty thousand, six hundred twenty".