255333020 has 48 divisors (see below), whose sum is σ = 566092800. Its totient is φ = 96471360.

The previous prime is 255332971. The next prime is 255333031. The reversal of 255333020 is 20333552.

It is a super-2 number, since 2×255333020² = 130389902204640800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163001 + ... + 164559.

It is an arithmetic number, because the mean of its divisors is an integer number (11793600).

Almost surely, 2^255333020 is an apocalyptic number.

255333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255333020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283046400).

255333020 is an abundant number, since it is smaller than the sum of its proper divisors (310759780).

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

255333020 is a wasteful number, since it uses less digits than its factorization.

255333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 255333020 is about 15979.1432811650. The cubic root of 255333020 is about 634.4085012115.

Adding to 255333020 its reverse (20333552), we get a palindrome (275666572).

The spelling of 255333020 in words is "two hundred fifty-five million, three hundred thirty-three thousand, twenty".