117826020 has 144 divisors (see below), whose sum is σ = 394185792. Its totient is φ = 28304640.

The previous prime is 117826001. The next prime is 117826021. The reversal of 117826020 is 20628711.

It is not an unprimeable number, because it can be changed into a prime (117826021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 100035 + ... + 101205.

Almost surely, 2^117826020 is an apocalyptic number.

117826020 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 117826020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197092896).

117826020 is an abundant number, since it is smaller than the sum of its proper divisors (276359772).

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

117826020 is a wasteful number, since it uses less digits than its factorization.

117826020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 117826020 is about 10854.7694586297. The cubic root of 117826020 is about 490.2456355547.

The spelling of 117826020 in words is "one hundred seventeen million, eight hundred twenty-six thousand, twenty".