23220330030 has 96 divisors (see below), whose sum is σ = 61350307200. Its totient is φ = 6092070336.

The previous prime is 23220330017. The next prime is 23220330031. The reversal of 23220330030 is 3003302232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23220329985 and 23220330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220330031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6142681 + ... + 6146459.

It is an arithmetic number, because the mean of its divisors is an integer number (639065700).

Almost surely, 2^23220330030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23220330030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30675153600).

23220330030 is an abundant number, since it is smaller than the sum of its proper divisors (38129977170).

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

23220330030 is a wasteful number, since it uses less digits than its factorization.

23220330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878 (or 4875 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 23220330030 its reverse (3003302232), we get a palindrome (26223632262).

The spelling of 23220330030 in words is "twenty-three billion, two hundred twenty million, three hundred thirty thousand, thirty".