118051020 has 60 divisors (see below), whose sum is σ = 370335504. Its totient is φ = 31479840.

The previous prime is 118050991. The next prime is 118051027. The reversal of 118051020 is 20150811.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 118050984 and 118051002.

It is not an unprimeable number, because it can be changed into a prime (118051027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34816 + ... + 38055.

Almost surely, 2^118051020 is an apocalyptic number.

118051020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118051020 is an abundant number, since it is smaller than the sum of its proper divisors (252284484).

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

118051020 is a wasteful number, since it uses less digits than its factorization.

118051020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72892 (or 72881 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 118051020 is about 10865.1286232607. The cubic root of 118051020 is about 490.5574940321.

The spelling of 118051020 in words is "one hundred eighteen million, fifty-one thousand, twenty".