13220314332 has 48 divisors (see below), whose sum is σ = 31977039360. Its totient is φ = 4246022592.

The previous prime is 13220314321. The next prime is 13220314337. The reversal of 13220314332 is 23341302231.

It is a super-2 number, since 2×13220314332² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220314337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130473 + ... + 208479.

It is an arithmetic number, because the mean of its divisors is an integer number (666188320).

Almost surely, 2^13220314332 is an apocalyptic number.

13220314332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13220314332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15988519680).

13220314332 is an abundant number, since it is smaller than the sum of its proper divisors (18756725028).

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

13220314332 is a wasteful number, since it uses less digits than its factorization.

13220314332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78530 (or 78528 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13220314332 its reverse (23341302231), we get a palindrome (36561616563).

The spelling of 13220314332 in words is "thirteen billion, two hundred twenty million, three hundred fourteen thousand, three hundred thirty-two".