255023503320 has 32 divisors (see below), whose sum is σ = 765070510320. Its totient is φ = 68006267520.

The previous prime is 255023503291. The next prime is 255023503363. The reversal of 255023503320 is 23305320552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062597811 + ... + 1062598050.

Almost surely, 2^255023503320 is an apocalyptic number.

255023503320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255023503320 is an abundant number, since it is smaller than the sum of its proper divisors (510047007000).

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

255023503320 is a wasteful number, since it uses less digits than its factorization.

255023503320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125195875 (or 2125195871 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 255023503320 its reverse (23305320552), we get a palindrome (278328823872).

The spelling of 255023503320 in words is "two hundred fifty-five billion, twenty-three million, five hundred three thousand, three hundred twenty".