255245020 has 24 divisors (see below), whose sum is σ = 538743744. Its totient is φ = 101578176.

The previous prime is 255244999. The next prime is 255245027. The reversal of 255245020 is 20542552.

It is a happy number.

255245020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255245027) 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, 28452 + ... + 36331.

It is an arithmetic number, because the mean of its divisors is an integer number (22447656).

Almost surely, 2^255245020 is an apocalyptic number.

255245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255245020 is an abundant number, since it is smaller than the sum of its proper divisors (283498724).

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

255245020 is a wasteful number, since it uses less digits than its factorization.

255245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64989 (or 64987 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 255245020 is about 15976.3894544418. The cubic root of 255245020 is about 634.3356103088.

Adding to 255245020 its reverse (20542552), we get a palindrome (275787572).

The spelling of 255245020 in words is "two hundred fifty-five million, two hundred forty-five thousand, twenty".