23253442020 has 36 divisors (see below), whose sum is σ = 70535441340. Its totient is φ = 6200917824.

The previous prime is 23253442013. The next prime is 23253442031. The reversal of 23253442020 is 2024435232.

It is a happy number.

23253442020 is a `hidden beast` number, since 232 + 5 + 3 + 4 + 420 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8022426624 + 15231015396 = 89568^2 + 123414^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64592715 + ... + 64593074.

It is an arithmetic number, because the mean of its divisors is an integer number (1959317815).

Almost surely, 2^23253442020 is an apocalyptic number.

23253442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23253442020 is an abundant number, since it is smaller than the sum of its proper divisors (47281999320).

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

23253442020 is a wasteful number, since it uses less digits than its factorization.

23253442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129185804 (or 129185799 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23253442020 its reverse (2024435232), we get a palindrome (25277877252).

The spelling of 23253442020 in words is "twenty-three billion, two hundred fifty-three million, four hundred forty-two thousand, twenty".