205022006 has 16 divisors (see below), whose sum is σ = 372141216. Its totient is φ = 82697856.

The previous prime is 205021987. The next prime is 205022029. The reversal of 205022006 is 600220502.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 430481 + ... + 430956.

It is an arithmetic number, because the mean of its divisors is an integer number (23258826).

Almost surely, 2^205022006 is an apocalyptic number.

205022006 is a deficient number, since it is larger than the sum of its proper divisors (167119210).

205022006 is a wasteful number, since it uses less digits than its factorization.

205022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861463.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 205022006 is about 14318.5895255084. The cubic root of 205022006 is about 589.6579516952.

Adding to 205022006 its reverse (600220502), we get a palindrome (805242508).

The spelling of 205022006 in words is "two hundred five million, twenty-two thousand, six".