13220542445 has 8 divisors (see below), whose sum is σ = 17306892000. Its totient is φ = 9614939920.

The previous prime is 13220542381. The next prime is 13220542457. The reversal of 13220542445 is 54424502231.

13220542445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13220542445 - 2⁶ = 13220542381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120186695 + ... + 120186804.

It is an arithmetic number, because the mean of its divisors is an integer number (2163361500).

Almost surely, 2^13220542445 is an apocalyptic number.

It is an amenable number.

13220542445 is a deficient number, since it is larger than the sum of its proper divisors (4086349555).

13220542445 is a wasteful number, since it uses less digits than its factorization.

13220542445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240373515.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 13220542445 in words is "thirteen billion, two hundred twenty million, five hundred forty-two thousand, four hundred forty-five".