23331023020 has 24 divisors (see below), whose sum is σ = 51573841200. Its totient is φ = 8841229632.

The previous prime is 23331023011. The next prime is 23331023021. The reversal of 23331023020 is 2032013332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (23331023021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30698335 + ... + 30699094.

It is an arithmetic number, because the mean of its divisors is an integer number (2148910050).

Almost surely, 2^23331023020 is an apocalyptic number.

23331023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23331023020 is an abundant number, since it is smaller than the sum of its proper divisors (28242818180).

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

23331023020 is a wasteful number, since it uses less digits than its factorization.

23331023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61397457 (or 61397455 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23331023020 its reverse (2032013332), we get a palindrome (25363036352).

The spelling of 23331023020 in words is "twenty-three billion, three hundred thirty-one million, twenty-three thousand, twenty".