205231466 has 8 divisors (see below), whose sum is σ = 335833344. Its totient is φ = 93287020.

The previous prime is 205231447. The next prime is 205231513. The reversal of 205231466 is 664132502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664330 + ... + 4664373.

It is an arithmetic number, because the mean of its divisors is an integer number (41979168).

Almost surely, 2^205231466 is an apocalyptic number.

205231466 is a deficient number, since it is larger than the sum of its proper divisors (130601878).

205231466 is a wasteful number, since it uses less digits than its factorization.

205231466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328716.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 205231466 is about 14325.9019262314. The cubic root of 205231466 is about 589.8586906625.

Adding to 205231466 its reverse (664132502), we get a palindrome (869363968).

The spelling of 205231466 in words is "two hundred five million, two hundred thirty-one thousand, four hundred sixty-six".