118819620 has 72 divisors (see below), whose sum is σ = 363242880. Its totient is φ = 31437120.

The previous prime is 118819607. The next prime is 118819637. The reversal of 118819620 is 26918811.

118819620 is a `hidden beast` number, since 1 + 18 + 8 + 19 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21061 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^118819620 is an apocalyptic number.

118819620 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 118819620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181621440).

118819620 is an abundant number, since it is smaller than the sum of its proper divisors (244423260).

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

118819620 is a wasteful number, since it uses less digits than its factorization.

118819620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185 (or 5180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 118819620 is about 10900.4412754714. The cubic root of 118819620 is about 491.6198233006.

The spelling of 118819620 in words is "one hundred eighteen million, eight hundred nineteen thousand, six hundred twenty".