2003205 has 16 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 1054848.

The previous prime is 2003201. The next prime is 2003213. The reversal of 2003205 is 5023002.

It is not a de Polignac number, because 2003205 - 2² = 2003201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441 + ... + 2049.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^2003205 is an apocalyptic number.

It is an amenable number.

2003205 is a deficient number, since it is larger than the sum of its proper divisors (1242555).

2003205 is a wasteful number, since it uses less digits than its factorization.

2003205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 2003205 is about 1415.3462473897. The cubic root of 2003205 is about 126.0593698544.

Adding to 2003205 its reverse (5023002), we get a palindrome (7026207).

The spelling of 2003205 in words is "two million, three thousand, two hundred five".