12220313020 has 24 divisors (see below), whose sum is σ = 26208673344. Its totient is φ = 4784122176.

The previous prime is 12220313003. The next prime is 12220313051. The reversal of 12220313020 is 2031302221.

12220313020 is a modest number, since divided by 313020 gives 12220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12220312985 and 12220313003.

It is a congruent number.

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, 6499227 + ... + 6501106.

It is an arithmetic number, because the mean of its divisors is an integer number (1092028056).

Almost surely, 2^12220313020 is an apocalyptic number.

12220313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220313020 is an abundant number, since it is smaller than the sum of its proper divisors (13988360324).

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

12220313020 is a wasteful number, since it uses less digits than its factorization.

12220313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000389 (or 13000387 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220313020 its reverse (2031302221), we get a palindrome (14251615241).

The spelling of 12220313020 in words is "twelve billion, two hundred twenty million, three hundred thirteen thousand, twenty".