13020665316 has 12 divisors (see below), whose sum is σ = 30381552432. Its totient is φ = 4340221768.

The previous prime is 13020665297. The next prime is 13020665387. The reversal of 13020665316 is 61356602031.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542527710 + ... + 542527733.

It is an arithmetic number, because the mean of its divisors is an integer number (2531796036).

Almost surely, 2^13020665316 is an apocalyptic number.

It is an amenable number.

13020665316 is an abundant number, since it is smaller than the sum of its proper divisors (17360887116).

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

13020665316 is a wasteful number, since it uses less digits than its factorization.

13020665316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085055450 (or 1085055448 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 13020665316 in words is "thirteen billion, twenty million, six hundred sixty-five thousand, three hundred sixteen".