13020336443 has 4 divisors (see below), whose sum is σ = 13440347328. Its totient is φ = 12600325560.

The previous prime is 13020336437. The next prime is 13020336463. The reversal of 13020336443 is 34463302031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13020336443 - 2⁶ = 13020336379 is a prime.

It is a super-2 number, since 2×13020336443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020336463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 210005396 + ... + 210005457.

It is an arithmetic number, because the mean of its divisors is an integer number (3360086832).

Almost surely, 2^13020336443 is an apocalyptic number.

13020336443 is a deficient number, since it is larger than the sum of its proper divisors (420010885).

13020336443 is an equidigital number, since it uses as much as digits as its factorization.

13020336443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420010884.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 13020336443 its reverse (34463302031), we get a palindrome (47483638474).

The spelling of 13020336443 in words is "thirteen billion, twenty million, three hundred thirty-six thousand, four hundred forty-three".