23213300220 has 96 divisors (see below), whose sum is σ = 78784554240. Its totient is φ = 5627465280.

The previous prime is 23213300219. The next prime is 23213300221. The reversal of 23213300220 is 2200331232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23213300219) and next prime (23213300221).

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 = 23213300193 and 23213300202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213300221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1948042 + ... + 1959921.

It is an arithmetic number, because the mean of its divisors is an integer number (820672440).

Almost surely, 2^23213300220 is an apocalyptic number.

23213300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213300220 is an abundant number, since it is smaller than the sum of its proper divisors (55571254020).

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

23213300220 is a wasteful number, since it uses less digits than its factorization.

23213300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907992 (or 3907984 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23213300220 its reverse (2200331232), we get a palindrome (25413631452).

The spelling of 23213300220 in words is "twenty-three billion, two hundred thirteen million, three hundred thousand, two hundred twenty".