13220221302 has 32 divisors (see below), whose sum is σ = 30094817760. Its totient is φ = 4299258240.

The previous prime is 13220221291. The next prime is 13220221319. The reversal of 13220221302 is 20312202231.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2983383 + ... + 2987810.

It is an arithmetic number, because the mean of its divisors is an integer number (940463055).

Almost surely, 2^13220221302 is an apocalyptic number.

13220221302 is an abundant number, since it is smaller than the sum of its proper divisors (16874596458).

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

13220221302 is a wasteful number, since it uses less digits than its factorization.

13220221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971245 (or 5971239 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13220221302 its reverse (20312202231), we get a palindrome (33532423533).

The spelling of 13220221302 in words is "thirteen billion, two hundred twenty million, two hundred twenty-one thousand, three hundred two".