120255307240 has 32 divisors (see below), whose sum is σ = 270726014880. Its totient is φ = 48075176512.

The previous prime is 120255307231. The next prime is 120255307253. The reversal of 120255307240 is 42703552021.

It is a super-2 number, since 2×120255307240² (a number of 23 digits) contains 22 as substring.

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, 769702 + ... + 912661.

It is an arithmetic number, because the mean of its divisors is an integer number (8460187965).

Almost surely, 2^120255307240 is an apocalyptic number.

120255307240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120255307240 is an abundant number, since it is smaller than the sum of its proper divisors (150470707640).

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

120255307240 is a wasteful number, since it uses less digits than its factorization.

120255307240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684161 (or 1684157 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 120255307240 its reverse (42703552021), we get a palindrome (162958859261).

The spelling of 120255307240 in words is "one hundred twenty billion, two hundred fifty-five million, three hundred seven thousand, two hundred forty".