13220343342 has 32 divisors (see below), whose sum is σ = 29383351200. Its totient is φ = 4406059584.

The previous prime is 13220343293. The next prime is 13220343407. The reversal of 13220343342 is 24334302231.

13220343342 is a `hidden beast` number, since 1 + 3 + 220 + 3 + 433 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389634 + ... + 422202.

It is an arithmetic number, because the mean of its divisors is an integer number (918229725).

Almost surely, 2^13220343342 is an apocalyptic number.

13220343342 is an abundant number, since it is smaller than the sum of its proper divisors (16163007858).

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

13220343342 is a wasteful number, since it uses less digits than its factorization.

13220343342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40097 (or 40091 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13220343342 its reverse (24334302231), we get a palindrome (37554645573).

The spelling of 13220343342 in words is "thirteen billion, two hundred twenty million, three hundred forty-three thousand, three hundred forty-two".