255330420 has 48 divisors (see below), whose sum is σ = 718085760. Its totient is φ = 67787136.

The previous prime is 255330391. The next prime is 255330443. The reversal of 255330420 is 24033552.

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, 4449 + ... + 23031.

It is an arithmetic number, because the mean of its divisors is an integer number (14960120).

Almost surely, 2^255330420 is an apocalyptic number.

255330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255330420 is an abundant number, since it is smaller than the sum of its proper divisors (462755340).

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

255330420 is a wasteful number, since it uses less digits than its factorization.

255330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824 (or 18822 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 255330420 is about 15979.0619249066. The cubic root of 255330420 is about 634.4063478568.

Adding to 255330420 its reverse (24033552), we get a palindrome (279363972).

The spelling of 255330420 in words is "two hundred fifty-five million, three hundred thirty thousand, four hundred twenty".