20244220211 has 16 divisors (see below), whose sum is σ = 22182323040. Its totient is φ = 18389629440.

The previous prime is 20244220189. The next prime is 20244220223. The reversal of 20244220211 is 11202244202.

It is a cyclic number.

It is not a de Polignac number, because 20244220211 - 2¹⁰ = 20244219187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244223211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759700 + ... + 1771166.

It is an arithmetic number, because the mean of its divisors is an integer number (1386395190).

Almost surely, 2^20244220211 is an apocalyptic number.

20244220211 is a deficient number, since it is larger than the sum of its proper divisors (1938102829).

20244220211 is a wasteful number, since it uses less digits than its factorization.

20244220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20244220211 its reverse (11202244202), we get a palindrome (31446464413).

The spelling of 20244220211 in words is "twenty billion, two hundred forty-four million, two hundred twenty thousand, two hundred eleven".