13220076443 has 8 divisors (see below), whose sum is σ = 15903851520. Its totient is φ = 10735099560.

The previous prime is 13220076409. The next prime is 13220076479. The reversal of 13220076443 is 34467002231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13220076443 - 2⁸ = 13220076187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220076403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49699403 + ... + 49699668.

It is an arithmetic number, because the mean of its divisors is an integer number (1987981440).

Almost surely, 2^13220076443 is an apocalyptic number.

13220076443 is a deficient number, since it is larger than the sum of its proper divisors (2683775077).

13220076443 is an equidigital number, since it uses as much as digits as its factorization.

13220076443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99399097.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 13220076443 its reverse (34467002231), we get a palindrome (47687078674).

The spelling of 13220076443 in words is "thirteen billion, two hundred twenty million, seventy-six thousand, four hundred forty-three".