2066205 has 32 divisors (see below), whose sum is σ = 3545856. Its totient is φ = 1025024.

The previous prime is 2066203. The next prime is 2066209. The reversal of 2066205 is 5026602.

It is a cyclic number.

It is not a de Polignac number, because 2066205 - 2¹ = 2066203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066201) 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 in 31 ways as a sum of consecutive naturals, for example, 18229 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (110808).

2^2066205 is an apocalyptic number.

It is an amenable number.

2066205 is a deficient number, since it is larger than the sum of its proper divisors (1479651).

2066205 is a wasteful number, since it uses less digits than its factorization.

2066205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2066205 is about 1437.4299982956. The cubic root of 2066205 is about 127.3672590055.

The spelling of 2066205 in words is "two million, sixty-six thousand, two hundred five".