255102320 has 40 divisors (see below), whose sum is σ = 647034480. Its totient is φ = 92764160.

The previous prime is 255102313. The next prime is 255102329. The reversal of 255102320 is 23201552.

255102320 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 255102292 and 255102301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255102329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144065 + ... + 145824.

It is an arithmetic number, because the mean of its divisors is an integer number (16175862).

Almost surely, 2^255102320 is an apocalyptic number.

255102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255102320 is an abundant number, since it is smaller than the sum of its proper divisors (391932160).

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

255102320 is a wasteful number, since it uses less digits than its factorization.

255102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289913 (or 289907 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 255102320 is about 15971.9228648275. The cubic root of 255102320 is about 634.2173754642.

Adding to 255102320 its reverse (23201552), we get a palindrome (278303872).

The spelling of 255102320 in words is "two hundred fifty-five million, one hundred two thousand, three hundred twenty".