13220120222 has 4 divisors (see below), whose sum is σ = 19830180336. Its totient is φ = 6610060110.

The previous prime is 13220120213. The next prime is 13220120233. The reversal of 13220120222 is 22202102231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13220120222.

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 as a sum of consecutive naturals, namely, 3305030054 + ... + 3305030057.

It is an arithmetic number, because the mean of its divisors is an integer number (4957545084).

Almost surely, 2^13220120222 is an apocalyptic number.

13220120222 is a deficient number, since it is larger than the sum of its proper divisors (6610060114).

13220120222 is an equidigital number, since it uses as much as digits as its factorization.

13220120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610060113.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 13220120222 its reverse (22202102231), we get a palindrome (35422222453).

The spelling of 13220120222 in words is "thirteen billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty-two".