23220320208 has 20 divisors (see below), whose sum is σ = 59985827328. Its totient is φ = 7740106720.

The previous prime is 23220320203. The next prime is 23220320237. The reversal of 23220320208 is 80202302232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220320203) 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 3 ways as a sum of consecutive naturals, for example, 241878288 + ... + 241878383.

Almost surely, 2^23220320208 is an apocalyptic number.

It is an amenable number.

23220320208 is an abundant number, since it is smaller than the sum of its proper divisors (36765507120).

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

23220320208 is a wasteful number, since it uses less digits than its factorization.

23220320208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483756682 (or 483756676 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 23220320208 in words is "twenty-three billion, two hundred twenty million, three hundred twenty thousand, two hundred eight".