255020 has 24 divisors (see below), whose sum is σ = 550368. Its totient is φ = 99200.

The previous prime is 255019. The next prime is 255023. The reversal of 255020 is 20552.

255020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 254986 and 255004.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255020.

It is not an unprimeable number, because it can be changed into a prime (255023) 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, 665 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2²⁵⁵⁰²⁰ is an apocalyptic number.

255020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275184).

255020 is an abundant number, since it is smaller than the sum of its proper divisors (295348).

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

255020 is a wasteful number, since it uses less digits than its factorization.

255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 255020 is about 504.9950494807. The cubic root of 255020 is about 63.4149148734.

Adding to 255020 its reverse (20552), we get a palindrome (275572).

The spelling of 255020 in words is "two hundred fifty-five thousand, twenty".