20043220211 has 32 divisors (see below), whose sum is σ = 24242347008. Its totient is φ = 16200961920.

The previous prime is 20043220207. The next prime is 20043220237. The reversal of 20043220211 is 11202234002.

It is a cyclic number.

It is not a de Polignac number, because 20043220211 - 2² = 20043220207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20043220211.

It is not an unprimeable number, because it can be changed into a prime (20043220291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3308261 + ... + 3314313.

It is an arithmetic number, because the mean of its divisors is an integer number (757573344).

Almost surely, 2^20043220211 is an apocalyptic number.

20043220211 is a deficient number, since it is larger than the sum of its proper divisors (4199126797).

20043220211 is a wasteful number, since it uses less digits than its factorization.

20043220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20043220211 its reverse (11202234002), we get a palindrome (31245454213).

The spelling of 20043220211 in words is "twenty billion, forty-three million, two hundred twenty thousand, two hundred eleven".