2066205013 has 2 divisors, whose sum is σ = 2066205014. Its totient is φ = 2066205012.

The previous prime is 2066204983. The next prime is 2066205047. The reversal of 2066205013 is 3105026602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1859506884 + 206698129 = 43122^2 + 14377^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066205013 - 2⁹ = 2066204501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033102506 + 1033102507.

It is an arithmetic number, because the mean of its divisors is an integer number (1033102507).

Almost surely, 2^2066205013 is an apocalyptic number.

It is an amenable number.

2066205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066205013 is an equidigital number, since it uses as much as digits as its factorization.

2066205013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2066205013 is about 45455.5278596564. The cubic root of 2066205013 is about 1273.6725927260.

The spelling of 2066205013 in words is "two billion, sixty-six million, two hundred five thousand, thirteen".