205213094 has 16 divisors (see below), whose sum is σ = 314177136. Its totient is φ = 100504800.

The previous prime is 205213031. The next prime is 205213097. The reversal of 205213094 is 490312502.

It is a super-2 number, since 2×205213094² = 84224827898105672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205213097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20024 + ... + 28484.

It is an arithmetic number, because the mean of its divisors is an integer number (19636071).

Almost surely, 2^205213094 is an apocalyptic number.

205213094 is a deficient number, since it is larger than the sum of its proper divisors (108964042).

205213094 is a wasteful number, since it uses less digits than its factorization.

205213094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 205213094 is about 14325.2606957081. The cubic root of 205213094 is about 589.8410890613.

Adding to 205213094 its reverse (490312502), we get a palindrome (695525596).

The spelling of 205213094 in words is "two hundred five million, two hundred thirteen thousand, ninety-four".