255020304 has 120 divisors (see below), whose sum is σ = 836116128. Its totient is φ = 66232320.

The previous prime is 255020303. The next prime is 255020323. The reversal of 255020304 is 403020552.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (255020303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20944 + ... + 30800.

Almost surely, 2^255020304 is an apocalyptic number.

255020304 is a gapful number since it is divisible by the number (24) 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 255020304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418058064).

255020304 is an abundant number, since it is smaller than the sum of its proper divisors (581095824).

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

255020304 is a wasteful number, since it uses less digits than its factorization.

255020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893 (or 9880 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 255020304 is about 15969.3551529171. The cubic root of 255020304 is about 634.1494007163.

Adding to 255020304 its reverse (403020552), we get a palindrome (658040856).

The spelling of 255020304 in words is "two hundred fifty-five million, twenty thousand, three hundred four".