13220202233 has 4 divisors (see below), whose sum is σ = 15108802560. Its totient is φ = 11331601908.

The previous prime is 13220202199. The next prime is 13220202239. The reversal of 13220202233 is 33220202231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13220202233 - 2⁸ = 13220201977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220202239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944300153 + ... + 944300166.

It is an arithmetic number, because the mean of its divisors is an integer number (3777200640).

Almost surely, 2^13220202233 is an apocalyptic number.

It is an amenable number.

13220202233 is a deficient number, since it is larger than the sum of its proper divisors (1888600327).

13220202233 is an equidigital number, since it uses as much as digits as its factorization.

13220202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888600326.

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

Adding to 13220202233 its reverse (33220202231), we get a palindrome (46440404464).

The spelling of 13220202233 in words is "thirteen billion, two hundred twenty million, two hundred two thousand, two hundred thirty-three".