20043211 has 2 divisors, whose sum is σ = 20043212. Its totient is φ = 20043210.

The previous prime is 20043181. The next prime is 20043223. The reversal of 20043211 is 11234002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20043211 - 2⁷ = 20043083 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20043191 and 20043200.

It is not a weakly prime, because it can be changed into another prime (20043241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021605 + 10021606.

It is an arithmetic number, because the mean of its divisors is an integer number (10021606).

Almost surely, 2^20043211 is an apocalyptic number.

20043211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043211 is an equidigital number, since it uses as much as digits as its factorization.

20043211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20043211 is about 4476.9644850054. The cubic root of 20043211 is about 271.6371088739.

Adding to 20043211 its reverse (11234002), we get a palindrome (31277213).

The spelling of 20043211 in words is "twenty million, forty-three thousand, two hundred eleven".