20322213203233 has 4 divisors (see below), whose sum is σ = 20406537739588. Its totient is φ = 20237888666880.

The previous prime is 20322213203221. The next prime is 20322213203263. The reversal of 20322213203233 is 33230231222302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11469547235584 + 8852665967649 = 3386672^2 + 2975343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322213203233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322213203263) 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, 42162267816 + ... + 42162268297.

It is an arithmetic number, because the mean of its divisors is an integer number (5101634434897).

Almost surely, 2^{20322213203233} is an apocalyptic number.

It is an amenable number.

20322213203233 is a deficient number, since it is larger than the sum of its proper divisors (84324536355).

20322213203233 is an equidigital number, since it uses as much as digits as its factorization.

20322213203233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84324536354.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20322213203233 its reverse (33230231222302), we get a palindrome (53552444425535).

The spelling of 20322213203233 in words is "twenty trillion, three hundred twenty-two billion, two hundred thirteen million, two hundred three thousand, two hundred thirty-three".