20213330211 has 6 divisors (see below), whose sum is σ = 29197032540. Its totient is φ = 13475553468.

The previous prime is 20213330183. The next prime is 20213330213. The reversal of 20213330211 is 11203331202.

It is not a de Polignac number, because 20213330211 - 2²⁷ = 20079112483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213330213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122962781 + ... + 1122962798.

It is an arithmetic number, because the mean of its divisors is an integer number (4866172090).

Almost surely, 2^20213330211 is an apocalyptic number.

20213330211 is a deficient number, since it is larger than the sum of its proper divisors (8983702329).

20213330211 is a wasteful number, since it uses less digits than its factorization.

20213330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245925585 (or 2245925582 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20213330211 its reverse (11203331202), we get a palindrome (31416661413).

Subtracting from 20213330211 its reverse (11203331202), we obtain a palindrome (9009999009).

The spelling of 20213330211 in words is "twenty billion, two hundred thirteen million, three hundred thirty thousand, two hundred eleven".