120020020 has 24 divisors (see below), whose sum is σ = 252247968. Its totient is φ = 47968800.

The previous prime is 120020011. The next prime is 120020027. The reversal of 120020020 is 20020021.

It is a happy number.

120020020 is a modest number, since divided by 20020 gives 120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 120019985 and 120020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46155 + ... + 48685.

It is an arithmetic number, because the mean of its divisors is an integer number (10510332).

Almost surely, 2^120020020 is an apocalyptic number.

120020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020020 is an abundant number, since it is smaller than the sum of its proper divisors (132227948).

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

120020020 is a wasteful number, since it uses less digits than its factorization.

120020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911 (or 4909 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 120020020 is about 10955.3648957942. The cubic root of 120020020 is about 493.2698430996.

Adding to 120020020 its reverse (20020021), we get a palindrome (140040041).

Subtracting from 120020020 its reverse (20020021), we obtain a palindrome (99999999).

The spelling of 120020020 in words is "one hundred twenty million, twenty thousand, twenty".