255022320 has 80 divisors (see below), whose sum is σ = 903513600. Its totient is φ = 58290432.

The previous prime is 255022319. The next prime is 255022331. The reversal of 255022320 is 23220552.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74220 + ... + 77579.

It is an arithmetic number, because the mean of its divisors is an integer number (11293920).

Almost surely, 2^255022320 is an apocalyptic number.

255022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255022320 is an abundant number, since it is smaller than the sum of its proper divisors (648491280).

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

255022320 is a wasteful number, since it uses less digits than its factorization.

255022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151822 (or 151816 counting only the distinct ones).

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

The square root of 255022320 is about 15969.4182736880. The cubic root of 255022320 is about 634.1510717490.

Adding to 255022320 its reverse (23220552), we get a palindrome (278242872).

The spelling of 255022320 in words is "two hundred fifty-five million, twenty-two thousand, three hundred twenty".