253752163020 has 96 divisors (see below), whose sum is σ = 823775178240. Its totient is φ = 64725186240.

The previous prime is 253752163013. The next prime is 253752163069. The reversal of 253752163020 is 20361257352.

253752163020 is a `hidden beast` number, since 2 + 53 + 7 + 521 + 63 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10203046 + ... + 10227885.

It is an arithmetic number, because the mean of its divisors is an integer number (8580991440).

Almost surely, 2^253752163020 is an apocalyptic number.

253752163020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253752163020 is an abundant number, since it is smaller than the sum of its proper divisors (570023015220).

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

253752163020 is a wasteful number, since it uses less digits than its factorization.

253752163020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430972 (or 20430964 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 253752163020 in words is "two hundred fifty-three billion, seven hundred fifty-two million, one hundred sixty-three thousand, twenty".