23320222220 has 24 divisors (see below), whose sum is σ = 48976510464. Its totient is φ = 9327318656.

The previous prime is 23320222213. The next prime is 23320222309. The reversal of 23320222220 is 2222202332.

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

It is a junction number, because it is equal to n+sod(n) for n = 23320222192 and 23320222201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243104 + ... + 325176.

It is an arithmetic number, because the mean of its divisors is an integer number (2040687936).

Almost surely, 2^23320222220 is an apocalyptic number.

23320222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320222220 is an abundant number, since it is smaller than the sum of its proper divisors (25656288244).

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

23320222220 is a wasteful number, since it uses less digits than its factorization.

23320222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96289 (or 96287 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23320222220 its reverse (2222202332), we get a palindrome (25542424552).

The spelling of 23320222220 in words is "twenty-three billion, three hundred twenty million, two hundred twenty-two thousand, two hundred twenty".