205106074 has 8 divisors (see below), whose sum is σ = 310382100. Its totient is φ = 101645376.

The previous prime is 205106051. The next prime is 205106081. The reversal of 205106074 is 470601502.

It can be written as a sum of positive squares in 2 ways, for example, as 132089049 + 73017025 = 11493^2 + 8545^2 .

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

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, 453549 + ... + 454000.

Almost surely, 2^205106074 is an apocalyptic number.

205106074 is a deficient number, since it is larger than the sum of its proper divisors (105276026).

205106074 is a wasteful number, since it uses less digits than its factorization.

205106074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907664.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 205106074 is about 14321.5248489817. The cubic root of 205106074 is about 589.7385358752.

Adding to 205106074 its reverse (470601502), we get a palindrome (675707576).

The spelling of 205106074 in words is "two hundred five million, one hundred six thousand, seventy-four".