253433220 has 48 divisors (see below), whose sum is σ = 710304000. Its totient is φ = 67516416.

The previous prime is 253433197. The next prime is 253433237. The reversal of 253433220 is 22334352.

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, 118884 + ... + 120996.

It is an arithmetic number, because the mean of its divisors is an integer number (14798000).

Almost surely, 2^253433220 is an apocalyptic number.

253433220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253433220 is an abundant number, since it is smaller than the sum of its proper divisors (456870780).

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

253433220 is a wasteful number, since it uses less digits than its factorization.

253433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124 (or 4122 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 253433220 is about 15919.5860498946. The cubic root of 253433220 is about 632.8311482327.

Adding to 253433220 its reverse (22334352), we get a palindrome (275767572).

It can be divided in two parts, 2534332 and 20, that added together give a palindrome (2534352).

The spelling of 253433220 in words is "two hundred fifty-three million, four hundred thirty-three thousand, two hundred twenty".