1320220220223 has 8 divisors (see below), whose sum is σ = 1777383856768. Its totient is φ = 871601698584.

The previous prime is 1320220220213. The next prime is 1320220220239. The reversal of 1320220220223 is 3220220220231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320220220223 - 2²⁴ = 1320203443007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320220220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320220220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136278365 + ... + 2136278982.

It is an arithmetic number, because the mean of its divisors is an integer number (222172982096).

Almost surely, 2^{1320220220223} is an apocalyptic number.

1320220220223 is a deficient number, since it is larger than the sum of its proper divisors (457163636545).

1320220220223 is a wasteful number, since it uses less digits than its factorization.

1320220220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272557453.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1320220220223 its reverse (3220220220231), we get a palindrome (4540440440454).

The spelling of 1320220220223 in words is "one trillion, three hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-three".