205213334 has 8 divisors (see below), whose sum is σ = 310170168. Its totient is φ = 101823280.

The previous prime is 205213321. The next prime is 205213339. The reversal of 205213334 is 433312502.

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

It is a super-2 number, since 2×205213334² = 84225024902791112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205213339) 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, 391367 + ... + 391890.

It is an arithmetic number, because the mean of its divisors is an integer number (38771271).

Almost surely, 2^205213334 is an apocalyptic number.

205213334 is a deficient number, since it is larger than the sum of its proper divisors (104956834).

205213334 is a wasteful number, since it uses less digits than its factorization.

205213334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783390.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 205213334 is about 14325.2690725166. The cubic root of 205213334 is about 589.8413190041.

Adding to 205213334 its reverse (433312502), we get a palindrome (638525836).

The spelling of 205213334 in words is "two hundred five million, two hundred thirteen thousand, three hundred thirty-four".