20200201211 has 2 divisors, whose sum is σ = 20200201212. Its totient is φ = 20200201210.

The previous prime is 20200201127. The next prime is 20200201213. The reversal of 20200201211 is 11210200202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200201211 is a prime.

Together with 20200201213, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200201192 and 20200201201.

It is not a weakly prime, because it can be changed into another prime (20200201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100100605 + 10100100606.

It is an arithmetic number, because the mean of its divisors is an integer number (10100100606).

Almost surely, 2^20200201211 is an apocalyptic number.

20200201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200201211 is an equidigital number, since it uses as much as digits as its factorization.

20200201211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20200201211 its reverse (11210200202), we get a palindrome (31410401413).

The spelling of 20200201211 in words is "twenty billion, two hundred million, two hundred one thousand, two hundred eleven".