253020120 has 32 divisors (see below), whose sum is σ = 759060720. Its totient is φ = 67472000.

The previous prime is 253020113. The next prime is 253020137. The reversal of 253020120 is 21020352.

It is a super-2 number, since 2×253020120² = 128038362249628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 253020120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054131 + ... + 1054370.

Almost surely, 2^253020120 is an apocalyptic number.

253020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253020120 is an abundant number, since it is smaller than the sum of its proper divisors (506040600).

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

253020120 is a wasteful number, since it uses less digits than its factorization.

253020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108515 (or 2108511 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 253020120 is about 15906.6061747942. The cubic root of 253020120 is about 632.4871197781.

Adding to 253020120 its reverse (21020352), we get a palindrome (274040472).

The spelling of 253020120 in words is "two hundred fifty-three million, twenty thousand, one hundred twenty".