255025020 has 48 divisors (see below), whose sum is σ = 714768768. Its totient is φ = 67940160.

The previous prime is 255025019. The next prime is 255025021. The reversal of 255025020 is 20520552.

It is an interprime number because it is at equal distance from previous prime (255025019) and next prime (255025021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255025021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107487 + ... + 109833.

It is an arithmetic number, because the mean of its divisors is an integer number (14891016).

Almost surely, 2^255025020 is an apocalyptic number.

255025020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255025020 is an abundant number, since it is smaller than the sum of its proper divisors (459743748).

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

255025020 is a wasteful number, since it uses less digits than its factorization.

255025020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 255025020 is about 15969.5028100439. The cubic root of 255025020 is about 634.1533097255.

Adding to 255025020 its reverse (20520552), we get a palindrome (275545572).

The spelling of 255025020 in words is "two hundred fifty-five million, twenty-five thousand, twenty".