118345020 has 24 divisors (see below), whose sum is σ = 331366224. Its totient is φ = 31558656.

The previous prime is 118344997. The next prime is 118345021. The reversal of 118345020 is 20543811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118345021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986149 + ... + 986268.

It is an arithmetic number, because the mean of its divisors is an integer number (13806926).

Almost surely, 2^118345020 is an apocalyptic number.

118345020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118345020 is an abundant number, since it is smaller than the sum of its proper divisors (213021204).

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

118345020 is a wasteful number, since it uses less digits than its factorization.

118345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972429 (or 1972427 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 118345020 is about 10878.6497323887. The cubic root of 118345020 is about 490.9643925105.

Adding to 118345020 its reverse (20543811), we get a palindrome (138888831).

The spelling of 118345020 in words is "one hundred eighteen million, three hundred forty-five thousand, twenty".