2255542120 has 32 divisors (see below), whose sum is σ = 5465353320. Its totient is φ = 832815360.

The previous prime is 2255542109. The next prime is 2255542139. The reversal of 2255542120 is 212455522.

It can be written as a sum of positive squares in 4 ways, for example, as 1260392004 + 995150116 = 35502^2 + 31546^2 .

It is a super-3 number, since 3×2255542120³ (a number of 29 digits) contains 333 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, 2168271 + ... + 2169310.

Almost surely, 2^2255542120 is an apocalyptic number.

2255542120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255542120 is an abundant number, since it is smaller than the sum of its proper divisors (3209811200).

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

2255542120 is a wasteful number, since it uses less digits than its factorization.

2255542120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337605 (or 4337601 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2255542120 is about 47492.5480470358. The cubic root of 2255542120 is about 1311.4457011198.

Adding to 2255542120 its reverse (212455522), we get a palindrome (2467997642).

The spelling of 2255542120 in words is "two billion, two hundred fifty-five million, five hundred forty-two thousand, one hundred twenty".