23321332020 has 96 divisors (see below), whose sum is σ = 79018184448. Its totient is φ = 5017024512.

The previous prime is 23321332019. The next prime is 23321332031. The reversal of 23321332020 is 2023312332.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1626007 + ... + 1640286.

It is an arithmetic number, because the mean of its divisors is an integer number (823106088).

Almost surely, 2^23321332020 is an apocalyptic number.

23321332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321332020 is an abundant number, since it is smaller than the sum of its proper divisors (55696852428).

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

23321332020 is a wasteful number, since it uses less digits than its factorization.

23321332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266329 (or 3266327 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23321332020 its reverse (2023312332), we get a palindrome (25344644352).

The spelling of 23321332020 in words is "twenty-three billion, three hundred twenty-one million, three hundred thirty-two thousand, twenty".