13320332032 has 72 divisors (see below), whose sum is σ = 30423272096. Its totient is φ = 5701902336.

The previous prime is 13320332023. The next prime is 13320332057. The reversal of 13320332032 is 23023302331.

It is a junction number, because it is equal to n+sod(n) for n = 13320331994 and 13320332012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1675138 + ... + 1683070.

Almost surely, 2^13320332032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15211636048).

13320332032 is an abundant number, since it is smaller than the sum of its proper divisors (17102940064).

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

13320332032 is an frugal number, since it uses more digits than its factorization.

13320332032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893 (or 8879 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 13320332032 its reverse (23023302331), we get a palindrome (36343634363).

The spelling of 13320332032 in words is "thirteen billion, three hundred twenty million, three hundred thirty-two thousand, thirty-two".