20201200211 has 4 divisors (see below), whose sum is σ = 20210682024. Its totient is φ = 20191718400.

The previous prime is 20201200207. The next prime is 20201200223. The reversal of 20201200211 is 11200210202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20201200211 - 2² = 20201200207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201200192 and 20201200201.

It is not an unprimeable number, because it can be changed into a prime (20201250211) 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 3 ways as a sum of consecutive naturals, for example, 4737710 + ... + 4741971.

It is an arithmetic number, because the mean of its divisors is an integer number (5052670506).

Almost surely, 2^20201200211 is an apocalyptic number.

20201200211 is a deficient number, since it is larger than the sum of its proper divisors (9481813).

20201200211 is an equidigital number, since it uses as much as digits as its factorization.

20201200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481812.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201200211 its reverse (11200210202), we get a palindrome (31401410413).

Subtracting from 20201200211 its reverse (11200210202), we obtain a palindrome (9000990009).

The spelling of 20201200211 in words is "twenty billion, two hundred one million, two hundred thousand, two hundred eleven".