20330222231213 has 4 divisors (see below), whose sum is σ = 20330284824288. Its totient is φ = 20330159638140.

The previous prime is 20330222231177. The next prime is 20330222231227. The reversal of 20330222231213 is 31213222203302.

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 20330222231213 - 2⁸ = 20330222230957 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 (20330222231413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30806783 + ... + 31459788.

It is an arithmetic number, because the mean of its divisors is an integer number (5082571206072).

Almost surely, 2^{20330222231213} is an apocalyptic number.

It is an amenable number.

20330222231213 is a deficient number, since it is larger than the sum of its proper divisors (62593075).

20330222231213 is an equidigital number, since it uses as much as digits as its factorization.

20330222231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62593074.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20330222231213 its reverse (31213222203302), we get a palindrome (51543444434515).

The spelling of 20330222231213 in words is "twenty trillion, three hundred thirty billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirteen".