13133213220 has 24 divisors (see below), whose sum is σ = 36772997184. Its totient is φ = 3502190176.

The previous prime is 13133213173. The next prime is 13133213227. The reversal of 13133213220 is 2231233131.

13133213220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13133213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109443384 + ... + 109443503.

It is an arithmetic number, because the mean of its divisors is an integer number (1532208216).

Almost surely, 2^13133213220 is an apocalyptic number.

13133213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133213220 is an abundant number, since it is smaller than the sum of its proper divisors (23639783964).

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

13133213220 is a wasteful number, since it uses less digits than its factorization.

13133213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218886899 (or 218886897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13133213220 its reverse (2231233131), we get a palindrome (15364446351).

The spelling of 13133213220 in words is "thirteen billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred twenty".