255410220 has 96 divisors (see below), whose sum is σ = 786659328. Its totient is φ = 61523712.

The previous prime is 255410219. The next prime is 255410251. The reversal of 255410220 is 22014552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33177 + ... + 40143.

It is an arithmetic number, because the mean of its divisors is an integer number (8194368).

Almost surely, 2^255410220 is an apocalyptic number.

255410220 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 255410220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393329664).

255410220 is an abundant number, since it is smaller than the sum of its proper divisors (531249108).

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

255410220 is a wasteful number, since it uses less digits than its factorization.

255410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 255410220 is about 15981.5587475065. The cubic root of 255410220 is about 634.4724326230.

Adding to 255410220 its reverse (22014552), we get a palindrome (277424772).

The spelling of 255410220 in words is "two hundred fifty-five million, four hundred ten thousand, two hundred twenty".