205071010 has 16 divisors (see below), whose sum is σ = 369862200. Its totient is φ = 81865216.

The previous prime is 205071001. The next prime is 205071019. The reversal of 205071010 is 10170502.

It is an interprime number because it is at equal distance from previous prime (205071001) and next prime (205071019).

It can be written as a sum of positive squares in 4 ways, for example, as 205033761 + 37249 = 14319^2 + 193^2 .

It is not an unprimeable number, because it can be changed into a prime (205071019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15055 + ... + 25234.

Almost surely, 2^205071010 is an apocalyptic number.

205071010 is a deficient number, since it is larger than the sum of its proper divisors (164791190).

205071010 is a wasteful number, since it uses less digits than its factorization.

205071010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40805.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 205071010 is about 14320.3006253360. The cubic root of 205071010 is about 589.7049276222.

The spelling of 205071010 in words is "two hundred five million, seventy-one thousand, ten".