120616020 has 192 divisors, whose sum is σ = 454325760. Its totient is φ = 25933824.

The previous prime is 120616019. The next prime is 120616039. The reversal of 120616020 is 20616021.

It is a happy number.

120616020 is a `hidden beast` number, since 1 + 2 + 0 + 61 + 602 + 0 = 666.

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 = 120615984 and 120616002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63322 + ... + 65198.

It is an arithmetic number, because the mean of its divisors is an integer number (2366280).

Almost surely, 2^120616020 is an apocalyptic number.

120616020 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 120616020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227162880).

120616020 is an abundant number, since it is smaller than the sum of its proper divisors (333709740).

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

120616020 is a wasteful number, since it uses less digits than its factorization.

120616020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 120616020 is about 10982.5324948301. The cubic root of 120616020 is about 494.0849946910.

Subtracting from 120616020 its reverse (20616021), we obtain a palindrome (99999999).

It can be divided in two parts, 12061 and 6020, that added together give a palindrome (18081).

The spelling of 120616020 in words is "one hundred twenty million, six hundred sixteen thousand, twenty".