13204320441 has 16 divisors (see below), whose sum is σ = 19007830464. Its totient is φ = 8105258304.

The previous prime is 13204320407. The next prime is 13204320469. The reversal of 13204320441 is 14402340231.

It is not a de Polignac number, because 13204320441 - 2¹⁰ = 13204319417 is a prime.

It is a super-2 number, since 2×13204320441² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13204320491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410931 + ... + 441896.

It is an arithmetic number, because the mean of its divisors is an integer number (1187989404).

Almost surely, 2^13204320441 is an apocalyptic number.

It is an amenable number.

13204320441 is a deficient number, since it is larger than the sum of its proper divisors (5803510023).

13204320441 is a wasteful number, since it uses less digits than its factorization.

13204320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853240.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13204320441 its reverse (14402340231), we get a palindrome (27606660672).

The spelling of 13204320441 in words is "thirteen billion, two hundred four million, three hundred twenty thousand, four hundred forty-one".