23220424100 has 36 divisors (see below), whose sum is σ = 53352343044. Its totient is φ = 8741806080.

The previous prime is 23220424067. The next prime is 23220424103. The reversal of 23220424100 is 142402232.

It can be written as a sum of positive squares in 6 ways, for example, as 158357056 + 23062067044 = 12584^2 + 151862^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23220424103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6827837 + ... + 6831236.

It is an arithmetic number, because the mean of its divisors is an integer number (1482009529).

Almost surely, 2^23220424100 is an apocalyptic number.

23220424100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220424100 is an abundant number, since it is smaller than the sum of its proper divisors (30131918944).

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

23220424100 is a wasteful number, since it uses less digits than its factorization.

23220424100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659104 (or 13659097 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23220424100 its reverse (142402232), we get a palindrome (23362826332).

The spelling of 23220424100 in words is "twenty-three billion, two hundred twenty million, four hundred twenty-four thousand, one hundred".