13213332220 has 48 divisors (see below), whose sum is σ = 30316809600. Its totient is φ = 4797504320.

The previous prime is 13213332217. The next prime is 13213332233. The reversal of 13213332220 is 2223331231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13213332191 and 13213332200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99411 + ... + 190549.

It is an arithmetic number, because the mean of its divisors is an integer number (631600200).

Almost surely, 2^13213332220 is an apocalyptic number.

13213332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213332220 is an abundant number, since it is smaller than the sum of its proper divisors (17103477380).

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

13213332220 is a wasteful number, since it uses less digits than its factorization.

13213332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91818 (or 91816 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13213332220 its reverse (2223331231), we get a palindrome (15436663451).

The spelling of 13213332220 in words is "thirteen billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred twenty".