10205055 has 32 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 4664736.

The previous prime is 10205051. The next prime is 10205087. The reversal of 10205055 is 55050201.

It is not a de Polignac number, because 10205055 - 2² = 10205051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4455 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 2^10205055 is an apocalyptic number.

10205055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10205055 is an abundant number, since it is smaller than the sum of its proper divisors (10530945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10205055 is a wasteful number, since it uses less digits than its factorization.

10205055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820 (or 10814 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 10205055 is about 3194.5351774554. The cubic root of 10205055 is about 216.9061087295.

Adding to 10205055 its reverse (55050201), we get a palindrome (65255256).

The spelling of 10205055 in words is "ten million, two hundred five thousand, fifty-five".