23320143020 has 12 divisors (see below), whose sum is σ = 48972300384. Its totient is φ = 9328057200.

The previous prime is 23320143019. The next prime is 23320143037. The reversal of 23320143020 is 2034102332.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1166007151 = 23320143020 / (2 + 3 + 3 + 2 + 0 + 1 + 4 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 23320142983 and 23320143001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583003556 + ... + 583003595.

It is an arithmetic number, because the mean of its divisors is an integer number (4081025032).

Almost surely, 2^23320143020 is an apocalyptic number.

23320143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320143020 is an abundant number, since it is smaller than the sum of its proper divisors (25652157364).

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

23320143020 is a wasteful number, since it uses less digits than its factorization.

23320143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166007160 (or 1166007158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23320143020 its reverse (2034102332), we get a palindrome (25354245352).

The spelling of 23320143020 in words is "twenty-three billion, three hundred twenty million, one hundred forty-three thousand, twenty".