20044220211 has 6 divisors (see below), whose sum is σ = 28952762540. Its totient is φ = 13362813468.

The previous prime is 20044220171. The next prime is 20044220269. The reversal of 20044220211 is 11202244002.

20044220211 is a `hidden beast` number, since 20 + 0 + 442 + 202 + 1 + 1 = 666.

It is not a de Polignac number, because 20044220211 - 2¹⁹ = 20043695923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044220291) 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, 1113567781 + ... + 1113567798.

Almost surely, 2^20044220211 is an apocalyptic number.

20044220211 is a deficient number, since it is larger than the sum of its proper divisors (8908542329).

20044220211 is a wasteful number, since it uses less digits than its factorization.

20044220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227135585 (or 2227135582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20044220211 its reverse (11202244002), we get a palindrome (31246464213).

The spelling of 20044220211 in words is "twenty billion, forty-four million, two hundred twenty thousand, two hundred eleven".