13220203223 has 12 divisors (see below), whose sum is σ = 13484609424. Its totient is φ = 12960792000.

The previous prime is 13220203181. The next prime is 13220203259. The reversal of 13220203223 is 32230202231.

It is not a de Polignac number, because 13220203223 - 2⁶ = 13220203159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220203195 and 13220203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220203273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1158998 + ... + 1170348.

It is an arithmetic number, because the mean of its divisors is an integer number (1123717452).

Almost surely, 2^13220203223 is an apocalyptic number.

13220203223 is a deficient number, since it is larger than the sum of its proper divisors (264406201).

13220203223 is an equidigital number, since it uses as much as digits as its factorization.

13220203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11786 (or 11725 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13220203223 its reverse (32230202231), we get a palindrome (45450405454).

The spelling of 13220203223 in words is "thirteen billion, two hundred twenty million, two hundred three thousand, two hundred twenty-three".