13120322340 has 24 divisors (see below), whose sum is σ = 36736902720. Its totient is φ = 3498752608.

The previous prime is 13120322323. The next prime is 13120322351. The reversal of 13120322340 is 4322302131.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109335960 + ... + 109336079.

It is an arithmetic number, because the mean of its divisors is an integer number (1530704280).

Almost surely, 2^13120322340 is an apocalyptic number.

13120322340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120322340 is an abundant number, since it is smaller than the sum of its proper divisors (23616580380).

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

13120322340 is a wasteful number, since it uses less digits than its factorization.

13120322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218672051 (or 218672049 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13120322340 its reverse (4322302131), we get a palindrome (17442624471).

The spelling of 13120322340 in words is "thirteen billion, one hundred twenty million, three hundred twenty-two thousand, three hundred forty".