12220023320 has 16 divisors (see below), whose sum is σ = 27495052560. Its totient is φ = 4888009312.

The previous prime is 12220023307. The next prime is 12220023323. The reversal of 12220023320 is 2332002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220023323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152750252 + ... + 152750331.

It is an arithmetic number, because the mean of its divisors is an integer number (1718440785).

Almost surely, 2^12220023320 is an apocalyptic number.

12220023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220023320 is an abundant number, since it is smaller than the sum of its proper divisors (15275029240).

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

12220023320 is a wasteful number, since it uses less digits than its factorization.

12220023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305500594 (or 305500590 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12220023320 its reverse (2332002221), we get a palindrome (14552025541).

The spelling of 12220023320 in words is "twelve billion, two hundred twenty million, twenty-three thousand, three hundred twenty".