120732020 has 24 divisors (see below), whose sum is σ = 256155144. Its totient is φ = 47794176.

The previous prime is 120732019. The next prime is 120732043. The reversal of 120732020 is 20237021.

It can be written as a sum of positive squares in 4 ways, for example, as 36312676 + 84419344 = 6026^2 + 9188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120732020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29177 + ... + 33056.

It is an arithmetic number, because the mean of its divisors is an integer number (10673131).

Almost surely, 2^120732020 is an apocalyptic number.

120732020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120732020 is an abundant number, since it is smaller than the sum of its proper divisors (135423124).

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

120732020 is a wasteful number, since it uses less digits than its factorization.

120732020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62339 (or 62337 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 120732020 is about 10987.8123391328. The cubic root of 120732020 is about 494.2433360007.

Adding to 120732020 its reverse (20237021), we get a palindrome (140969041).

The spelling of 120732020 in words is "one hundred twenty million, seven hundred thirty-two thousand, twenty".