20322123211 has 8 divisors (see below), whose sum is σ = 22298295600. Its totient is φ = 18404941152.

The previous prime is 20322123203. The next prime is 20322123233. The reversal of 20322123211 is 11232122302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20322123211 - 2³ = 20322123203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322223211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14746861 + ... + 14748238.

It is an arithmetic number, because the mean of its divisors is an integer number (2787286950).

Almost surely, 2^20322123211 is an apocalyptic number.

20322123211 is a deficient number, since it is larger than the sum of its proper divisors (1976172389).

20322123211 is a wasteful number, since it uses less digits than its factorization.

20322123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29495165.

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

Adding to 20322123211 its reverse (11232122302), we get a palindrome (31554245513).

Subtracting from 20322123211 its reverse (11232122302), we obtain a palindrome (9090000909).

The spelling of 20322123211 in words is "twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred eleven".