120808020 has 48 divisors (see below), whose sum is σ = 339816960. Its totient is φ = 32067456.

The previous prime is 120808013. The next prime is 120808021. The reversal of 120808020 is 20808021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120808021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8866 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (7079520).

Almost surely, 2^120808020 is an apocalyptic number.

120808020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120808020 is an abundant number, since it is smaller than the sum of its proper divisors (219008940).

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

120808020 is a wasteful number, since it uses less digits than its factorization.

120808020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 120808020 is about 10991.2701722776. The cubic root of 120808020 is about 494.3470218732.

Subtracting from 120808020 its reverse (20808021), we obtain a palindrome (99999999).

It can be divided in two parts, 12080 and 8020, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 120808020 in words is "one hundred twenty million, eight hundred eight thousand, twenty".