2005204133 has 4 divisors (see below), whose sum is σ = 2009498400. Its totient is φ = 2000909868.

The previous prime is 2005204051. The next prime is 2005204151. The reversal of 2005204133 is 3314025002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2005204133 - 2⁸ = 2005203877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005204153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146433 + ... + 2147366.

It is an arithmetic number, because the mean of its divisors is an integer number (502374600).

Almost surely, 2^2005204133 is an apocalyptic number.

It is an amenable number.

2005204133 is a deficient number, since it is larger than the sum of its proper divisors (4294267).

2005204133 is an equidigital number, since it uses as much as digits as its factorization.

2005204133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294266.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2005204133 is about 44779.5057252757. The cubic root of 2005204133 is about 1261.0129028693.

Adding to 2005204133 its reverse (3314025002), we get a palindrome (5319229135).

The spelling of 2005204133 in words is "two billion, five million, two hundred four thousand, one hundred thirty-three".