255028020 has 96 divisors (see below), whose sum is σ = 771700608. Its totient is φ = 62556672.

The previous prime is 255028003. The next prime is 255028021. The reversal of 255028020 is 20820552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255028021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434167 + ... + 434753.

It is an arithmetic number, because the mean of its divisors is an integer number (8038548).

Almost surely, 2^255028020 is an apocalyptic number.

255028020 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 255028020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385850304).

255028020 is an abundant number, since it is smaller than the sum of its proper divisors (516672588).

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

255028020 is a wasteful number, since it uses less digits than its factorization.

255028020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 255028020 is about 15969.5967388034. The cubic root of 255028020 is about 634.1557963475.

Adding to 255028020 its reverse (20820552), we get a palindrome (275848572).

The spelling of 255028020 in words is "two hundred fifty-five million, twenty-eight thousand, twenty".