205041006 has 24 divisors (see below), whose sum is σ = 458587584. Its totient is φ = 66142080.

The previous prime is 205040999. The next prime is 205041059. The reversal of 205041006 is 600140502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 205041006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183171 + ... + 184286.

It is an arithmetic number, because the mean of its divisors is an integer number (19107816).

Almost surely, 2^205041006 is an apocalyptic number.

205041006 is an abundant number, since it is smaller than the sum of its proper divisors (253546578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205041006 is a wasteful number, since it uses less digits than its factorization.

205041006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367496 (or 367493 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 205041006 is about 14319.2529833089. The cubic root of 205041006 is about 589.6761662521.

Adding to 205041006 its reverse (600140502), we get a palindrome (805181508).

The spelling of 205041006 in words is "two hundred five million, forty-one thousand, six".