13220312214020 has 12 divisors (see below), whose sum is σ = 27762655649484. Its totient is φ = 5288124885600.

The previous prime is 13220312213989. The next prime is 13220312214023. The reversal of 13220312214020 is 2041221302231.

It can be written as a sum of positive squares in 2 ways, for example, as 2344616313796 + 10875695900224 = 1531214^2 + 3297832^2 .

It is not an unprimeable number, because it can be changed into a prime (13220312214023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330507805331 + ... + 330507805370.

It is an arithmetic number, because the mean of its divisors is an integer number (2313554637457).

Almost surely, 2^{13220312214020} is an apocalyptic number.

13220312214020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220312214020 is an abundant number, since it is smaller than the sum of its proper divisors (14542343435464).

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

13220312214020 is a wasteful number, since it uses less digits than its factorization.

13220312214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661015610710 (or 661015610708 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13220312214020 its reverse (2041221302231), we get a palindrome (15261533516251).

The spelling of 13220312214020 in words is "thirteen trillion, two hundred twenty billion, three hundred twelve million, two hundred fourteen thousand, twenty".