118364820 has 96 divisors (see below), whose sum is σ = 391028736. Its totient is φ = 26179200.

The previous prime is 118364803. The next prime is 118364867. The reversal of 118364820 is 28463811.

It is a super-2 number, since 2×118364820² = 28020461227264800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8475 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (4073216).

Almost surely, 2^118364820 is an apocalyptic number.

118364820 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 118364820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195514368).

118364820 is an abundant number, since it is smaller than the sum of its proper divisors (272663916).

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

118364820 is a wasteful number, since it uses less digits than its factorization.

118364820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 118364820 is about 10879.5597337392. The cubic root of 118364820 is about 490.9917716456.

The spelling of 118364820 in words is "one hundred eighteen million, three hundred sixty-four thousand, eight hundred twenty".