20800201 has 2 divisors, whose sum is σ = 20800202. Its totient is φ = 20800200.

The previous prime is 20800183. The next prime is 20800229. The reversal of 20800201 is 10200802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20034576 + 765625 = 4476^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 20800201 - 2⁹ = 20799689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20800291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10400100 + 10400101.

It is an arithmetic number, because the mean of its divisors is an integer number (10400101).

Almost surely, 2^20800201 is an apocalyptic number.

It is an amenable number.

20800201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20800201 is an equidigital number, since it uses as much as digits as its factorization.

20800201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20800201 is about 4560.7237364261. The cubic root of 20800201 is about 275.0146592736.

The spelling of 20800201 in words is "twenty million, eight hundred thousand, two hundred one".