20222020211 has 4 divisors (see below), whose sum is σ = 20222312352. Its totient is φ = 20221728072.

The previous prime is 20222020193. The next prime is 20222020213. The reversal of 20222020211 is 11202022202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20222020211 - 2¹⁴ = 20222003827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222020213) 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, 22961 + ... + 202413.

It is an arithmetic number, because the mean of its divisors is an integer number (5055578088).

Almost surely, 2^20222020211 is an apocalyptic number.

20222020211 is a deficient number, since it is larger than the sum of its proper divisors (292141).

20222020211 is a wasteful number, since it uses less digits than its factorization.

20222020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292140.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222020211 its reverse (11202022202), we get a palindrome (31424042413).

The spelling of 20222020211 in words is "twenty billion, two hundred twenty-two million, twenty thousand, two hundred eleven".