20222220211 has 8 divisors (see below), whose sum is σ = 20261395440. Its totient is φ = 20183083008.

The previous prime is 20222220191. The next prime is 20222220217. The reversal of 20222220211 is 11202222202.

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

It is a cyclic number.

It is not a de Polignac number, because 20222220211 - 2²¹ = 20220123059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222220217) 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, 1199140 + ... + 1215886.

It is an arithmetic number, because the mean of its divisors is an integer number (2532674430).

Almost surely, 2^20222220211 is an apocalyptic number.

20222220211 is a deficient number, since it is larger than the sum of its proper divisors (39175229).

20222220211 is a wasteful number, since it uses less digits than its factorization.

20222220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19013.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222220211 its reverse (11202222202), we get a palindrome (31424442413).

It can be divided in two parts, 202222202 and 11, that multiplied together give a palindrome (2224444222).

The spelling of 20222220211 in words is "twenty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred eleven".