2555320120 has 32 divisors (see below), whose sum is σ = 5754006720. Its totient is φ = 1021321600.

The previous prime is 2555320109. The next prime is 2555320147. The reversal of 2555320120 is 210235552.

It is a happy number.

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, 27489 + ... + 76591.

It is an arithmetic number, because the mean of its divisors is an integer number (179812710).

Almost surely, 2^2555320120 is an apocalyptic number.

2555320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555320120 is an abundant number, since it is smaller than the sum of its proper divisors (3198686600).

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

2555320120 is a wasteful number, since it uses less digits than its factorization.

2555320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50415 (or 50411 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2555320120 is about 50550.1742825878. The cubic root of 2555320120 is about 1367.1466569685.

Adding to 2555320120 its reverse (210235552), we get a palindrome (2765555672).

The spelling of 2555320120 in words is "two billion, five hundred fifty-five million, three hundred twenty thousand, one hundred twenty".