13320020013 has 16 divisors (see below), whose sum is σ = 18821154816. Its totient is φ = 8350361600.

The previous prime is 13320019991. The next prime is 13320020057. The reversal of 13320020013 is 31002002331.

It is a cyclic number.

It is not a de Polignac number, because 13320020013 - 2⁵ = 13320019981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13320019974 and 13320020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320020513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54756 + ... + 172157.

It is an arithmetic number, because the mean of its divisors is an integer number (1176322176).

Almost surely, 2^13320020013 is an apocalyptic number.

It is an amenable number.

13320020013 is a deficient number, since it is larger than the sum of its proper divisors (5501134803).

13320020013 is a wasteful number, since it uses less digits than its factorization.

13320020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228084.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13320020013 its reverse (31002002331), we get a palindrome (44322022344).

The spelling of 13320020013 in words is "thirteen billion, three hundred twenty million, twenty thousand, thirteen".