20223213211 has 4 divisors (see below), whose sum is σ = 20247318000. Its totient is φ = 20199108424.

The previous prime is 20223213161. The next prime is 20223213281. The reversal of 20223213211 is 11231232202.

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

It is a cyclic number.

It is not a de Polignac number, because 20223213211 - 2²⁷ = 20088995483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223213281) 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, 12051136 + ... + 12052813.

It is an arithmetic number, because the mean of its divisors is an integer number (5061829500).

Almost surely, 2^20223213211 is an apocalyptic number.

20223213211 is a deficient number, since it is larger than the sum of its proper divisors (24104789).

20223213211 is an equidigital number, since it uses as much as digits as its factorization.

20223213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24104788.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20223213211 its reverse (11231232202), we get a palindrome (31454445413).

The spelling of 20223213211 in words is "twenty billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred eleven".