253203162120 has 96 divisors (see below), whose sum is σ = 834500646720. Its totient is φ = 66569838720.

The previous prime is 253203162071. The next prime is 253203162139. The reversal of 253203162120 is 21261302352.

It is a happy number.

253203162120 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 0 + 31 + 621 + 2 + 0 = 666.

It is a super-2 number, since 2×253203162120² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4927554 + ... + 4978673.

It is an arithmetic number, because the mean of its divisors is an integer number (8692715070).

Almost surely, 2^253203162120 is an apocalyptic number.

253203162120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253203162120 is an abundant number, since it is smaller than the sum of its proper divisors (581297484600).

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

253203162120 is a wasteful number, since it uses less digits than its factorization.

253203162120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906315 (or 9906308 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 253203162120 its reverse (21261302352), we get a palindrome (274464464472).

The spelling of 253203162120 in words is "two hundred fifty-three billion, two hundred three million, one hundred sixty-two thousand, one hundred twenty".