20233222013 has 4 divisors (see below), whose sum is σ = 20275463040. Its totient is φ = 20190980988.

The previous prime is 20233222007. The next prime is 20233222033. The reversal of 20233222013 is 31022233202.

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 a de Polignac number, because none of the positive numbers 2^k-20233222013 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 (20233222033) 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, 21119795 + ... + 21120752.

It is an arithmetic number, because the mean of its divisors is an integer number (5068865760).

Almost surely, 2^20233222013 is an apocalyptic number.

It is an amenable number.

20233222013 is a deficient number, since it is larger than the sum of its proper divisors (42241027).

20233222013 is an equidigital number, since it uses as much as digits as its factorization.

20233222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42241026.

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

Adding to 20233222013 its reverse (31022233202), we get a palindrome (51255455215).

The spelling of 20233222013 in words is "twenty billion, two hundred thirty-three million, two hundred twenty-two thousand, thirteen".