120618020 has 12 divisors (see below), whose sum is σ = 253297884. Its totient is φ = 48247200.

The previous prime is 120618019. The next prime is 120618031. The reversal of 120618020 is 20816021.

It can be written as a sum of positive squares in 2 ways, for example, as 55234624 + 65383396 = 7432^2 + 8086^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6030901 = 120618020 / (1 + 2 + 0 + 6 + 1 + 8 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 120617983 and 120618001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015431 + ... + 3015470.

It is an arithmetic number, because the mean of its divisors is an integer number (21108157).

Almost surely, 2^120618020 is an apocalyptic number.

120618020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120618020 is an abundant number, since it is smaller than the sum of its proper divisors (132679864).

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

120618020 is a wasteful number, since it uses less digits than its factorization.

120618020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030910 (or 6030908 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 120618020 is about 10982.6235481328. The cubic root of 120618020 is about 494.0877255735.

The spelling of 120618020 in words is "one hundred twenty million, six hundred eighteen thousand, twenty".