13321333366620 has 48 divisors (see below), whose sum is σ = 37403632465920. Its totient is φ = 3542460417856.

The previous prime is 13321333366571. The next prime is 13321333366637. The reversal of 13321333366620 is 2666333312331.

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, 309201612 + ... + 309244691.

It is an arithmetic number, because the mean of its divisors is an integer number (779242343040).

Almost surely, 2^{13321333366620} is an apocalyptic number.

13321333366620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321333366620 is an abundant number, since it is smaller than the sum of its proper divisors (24082299099300).

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

13321333366620 is a wasteful number, since it uses less digits than its factorization.

13321333366620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618446674 (or 618446672 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 42.

Adding to 13321333366620 its reverse (2666333312331), we get a palindrome (15987666678951).

The spelling of 13321333366620 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-three million, three hundred sixty-six thousand, six hundred twenty".