13323132012220 has 24 divisors (see below), whose sum is σ = 28090045671408. Its totient is φ = 5308020720000.

The previous prime is 13323132012191. The next prime is 13323132012227. The reversal of 13323132012220 is 2221023132331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323132012227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327000161 + ... + 1327010200.

It is an arithmetic number, because the mean of its divisors is an integer number (1170418569642).

Almost surely, 2^{13323132012220} is an apocalyptic number.

13323132012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323132012220 is an abundant number, since it is smaller than the sum of its proper divisors (14766913659188).

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

13323132012220 is a wasteful number, since it uses less digits than its factorization.

13323132012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654010621 (or 2654010619 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13323132012220 its reverse (2221023132331), we get a palindrome (15544155144551).

The spelling of 13323132012220 in words is "thirteen trillion, three hundred twenty-three billion, one hundred thirty-two million, twelve thousand, two hundred twenty".