118334820 has 24 divisors (see below), whose sum is σ = 331337664. Its totient is φ = 31555936.

The previous prime is 118334813. The next prime is 118334833. The reversal of 118334820 is 28433811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 986064 + ... + 986183.

It is an arithmetic number, because the mean of its divisors is an integer number (13805736).

Almost surely, 2^118334820 is an apocalyptic number.

118334820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118334820 is an abundant number, since it is smaller than the sum of its proper divisors (213002844).

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

118334820 is a wasteful number, since it uses less digits than its factorization.

118334820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972259 (or 1972257 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 118334820 is about 10878.1809141051. The cubic root of 118334820 is about 490.9502869157.

It can be divided in two parts, 11833 and 4820, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 118334820 in words is "one hundred eighteen million, three hundred thirty-four thousand, eight hundred twenty".