13220360742 has 16 divisors (see below), whose sum is σ = 26460783360. Its totient is φ = 4403443272.

The previous prime is 13220360723. The next prime is 13220360771. The reversal of 13220360742 is 24706302231.

It is a super-2 number, since 2×13220360742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827338 + ... + 843165.

It is an arithmetic number, because the mean of its divisors is an integer number (1653798960).

Almost surely, 2^13220360742 is an apocalyptic number.

13220360742 is an abundant number, since it is smaller than the sum of its proper divisors (13240422618).

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

13220360742 is a wasteful number, since it uses less digits than its factorization.

13220360742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671827.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 13220360742 its reverse (24706302231), we get a palindrome (37926662973).

The spelling of 13220360742 in words is "thirteen billion, two hundred twenty million, three hundred sixty thousand, seven hundred forty-two".