13311113322220 has 48 divisors (see below), whose sum is σ = 31946943893760. Its totient is φ = 4563771436224.

The previous prime is 13311113322179. The next prime is 13311113322229. The reversal of 13311113322220 is 2222331111331.

It is not an unprimeable number, because it can be changed into a prime (13311113322229) 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, 19633327 + ... + 20299993.

It is an arithmetic number, because the mean of its divisors is an integer number (665561331120).

Almost surely, 2^{13311113322220} is an apocalyptic number.

13311113322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311113322220 is an abundant number, since it is smaller than the sum of its proper divisors (18635830571540).

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

13311113322220 is a wasteful number, since it uses less digits than its factorization.

13311113322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809302 (or 809300 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13311113322220 its reverse (2222331111331), we get a palindrome (15533444433551).

The spelling of 13311113322220 in words is "thirteen trillion, three hundred eleven billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred twenty".