255330220 has 24 divisors (see below), whose sum is σ = 537490800. Its totient is φ = 101884992.

The previous prime is 255330217. The next prime is 255330221. The reversal of 255330220 is 22033552.

255330220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255330191 and 255330200.

It is not an unprimeable number, because it can be changed into a prime (255330221) 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, 6855 + ... + 23614.

It is an arithmetic number, because the mean of its divisors is an integer number (22395450).

Almost surely, 2^255330220 is an apocalyptic number.

255330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255330220 is an abundant number, since it is smaller than the sum of its proper divisors (282160580).

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

255330220 is a wasteful number, since it uses less digits than its factorization.

255330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30897 (or 30895 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 255330220 is about 15979.0556667157. The cubic root of 255330220 is about 634.4061822135.

Adding to 255330220 its reverse (22033552), we get a palindrome (277363772).

The spelling of 255330220 in words is "two hundred fifty-five million, three hundred thirty thousand, two hundred twenty".