205127270 has 32 divisors (see below), whose sum is σ = 399282048. Its totient is φ = 75578368.

The previous prime is 205127227. The next prime is 205127291. The reversal of 205127270 is 72721502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4847 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (12477564).

Almost surely, 2^205127270 is an apocalyptic number.

205127270 is a deficient number, since it is larger than the sum of its proper divisors (194154778).

205127270 is a wasteful number, since it uses less digits than its factorization.

205127270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25744.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 205127270 is about 14322.2648348646. The cubic root of 205127270 is about 589.7588500265.

Adding to 205127270 its reverse (72721502), we get a palindrome (277848772).

The spelling of 205127270 in words is "two hundred five million, one hundred twenty-seven thousand, two hundred seventy".