13220230133 has 4 divisors (see below), whose sum is σ = 14422069248. Its totient is φ = 12018391020.

The previous prime is 13220230069. The next prime is 13220230157. The reversal of 13220230133 is 33103202231.

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 13220230133 - 2⁶ = 13220230069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220230193) 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, 600919541 + ... + 600919562.

It is an arithmetic number, because the mean of its divisors is an integer number (3605517312).

Almost surely, 2^13220230133 is an apocalyptic number.

It is an amenable number.

13220230133 is a deficient number, since it is larger than the sum of its proper divisors (1201839115).

13220230133 is a wasteful number, since it uses less digits than its factorization.

13220230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201839114.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13220230133 its reverse (33103202231), we get a palindrome (46323432364).

The spelling of 13220230133 in words is "thirteen billion, two hundred twenty million, two hundred thirty thousand, one hundred thirty-three".