20220020211 has 4 divisors (see below), whose sum is σ = 26960026952. Its totient is φ = 13480013472.

The previous prime is 20220020209. The next prime is 20220020231. The reversal of 20220020211 is 11202002202.

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

It is not a de Polignac number, because 20220020211 - 2¹ = 20220020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220020231) 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, 3370003366 + ... + 3370003371.

It is an arithmetic number, because the mean of its divisors is an integer number (6740006738).

Almost surely, 2^20220020211 is an apocalyptic number.

20220020211 is a deficient number, since it is larger than the sum of its proper divisors (6740006741).

20220020211 is an equidigital number, since it uses as much as digits as its factorization.

20220020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740006740.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20220020211 its reverse (11202002202), we get a palindrome (31422022413).

The spelling of 20220020211 in words is "twenty billion, two hundred twenty million, twenty thousand, two hundred eleven".