205110081 has 12 divisors (see below), whose sum is σ = 323203920. Its totient is φ = 124309080.

The previous prime is 205110041. The next prime is 205110091. The reversal of 205110081 is 180011502.

205110081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205110081 - 2¹⁰ = 205109057 is a prime.

It is a super-2 number, since 2×205110081² = 84140290655653122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205110041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035811 + ... + 1036008.

It is an arithmetic number, because the mean of its divisors is an integer number (26933660).

Almost surely, 2^205110081 is an apocalyptic number.

It is an amenable number.

205110081 is a deficient number, since it is larger than the sum of its proper divisors (118093839).

205110081 is a wasteful number, since it uses less digits than its factorization.

205110081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071836 (or 2071833 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 205110081 is about 14321.6647426198. The cubic root of 205110081 is about 589.7423762733.

Adding to 205110081 its reverse (180011502), we get a palindrome (385121583).

The spelling of 205110081 in words is "two hundred five million, one hundred ten thousand, eighty-one".