13043220352 has 64 divisors (see below), whose sum is σ = 27616561200. Its totient is φ = 6114893824.

The previous prime is 13043220349. The next prime is 13043220373. The reversal of 13043220352 is 25302234031.

It is a tau number, because it is divible by the number of its divisors (64).

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, 574203 + ... + 596485.

Almost surely, 2^13043220352 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 13043220352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13808280600).

13043220352 is an abundant number, since it is smaller than the sum of its proper divisors (14573340848).

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

13043220352 is a wasteful number, since it uses less digits than its factorization.

13043220352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22583 (or 22571 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 13043220352 its reverse (25302234031), we get a palindrome (38345454383).

The spelling of 13043220352 in words is "thirteen billion, forty-three million, two hundred twenty thousand, three hundred fifty-two".