204014220404209 has 2 divisors, whose sum is σ = 204014220404210. Its totient is φ = 204014220404208.

The previous prime is 204014220404201. The next prime is 204014220404263. The reversal of 204014220404209 is 902404022410402.

204014220404209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199274442931600 + 4739777472609 = 14116460^2 + 2177103^2 .

It is a cyclic number.

It is not a de Polignac number, because 204014220404209 - 2³ = 204014220404201 is a prime.

It is not a weakly prime, because it can be changed into another prime (204014220404201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102007110202104 + 102007110202105.

It is an arithmetic number, because the mean of its divisors is an integer number (102007110202105).

Almost surely, 2^{204014220404209} is an apocalyptic number.

It is an amenable number.

204014220404209 is a deficient number, since it is larger than the sum of its proper divisors (1).

204014220404209 is an equidigital number, since it uses as much as digits as its factorization.

204014220404209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 204014220404209 in words is "two hundred four trillion, fourteen billion, two hundred twenty million, four hundred four thousand, two hundred nine".