20850241 has 2 divisors, whose sum is σ = 20850242. Its totient is φ = 20850240.

The previous prime is 20850223. The next prime is 20850251. The reversal of 20850241 is 14205802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 1971216 = 4345^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 20850241 - 2⁷ = 20850113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20850251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10425120 + 10425121.

It is an arithmetic number, because the mean of its divisors is an integer number (10425121).

Almost surely, 2^20850241 is an apocalyptic number.

It is an amenable number.

20850241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20850241 is an equidigital number, since it uses as much as digits as its factorization.

20850241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20850241 is about 4566.2064123296. The cubic root of 20850241 is about 275.2350211271.

The spelling of 20850241 in words is "twenty million, eight hundred fifty thousand, two hundred forty-one".