2010205105 has 4 divisors (see below), whose sum is σ = 2412246132. Its totient is φ = 1608164080.

The previous prime is 2010205081. The next prime is 2010205123. The reversal of 2010205105 is 5015020102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1298809521 + 711395584 = 36039^2 + 26672^2 .

It is not a de Polignac number, because 2010205105 - 2¹¹ = 2010203057 is a prime.

It is a super-2 number, since 2×2010205105² = 8081849128336122050, which contains 22 as substring.

It is a Duffinian number.

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, 201020506 + ... + 201020515.

It is an arithmetic number, because the mean of its divisors is an integer number (603061533).

Almost surely, 2^2010205105 is an apocalyptic number.

It is an amenable number.

2010205105 is a deficient number, since it is larger than the sum of its proper divisors (402041027).

2010205105 is an equidigital number, since it uses as much as digits as its factorization.

2010205105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402041026.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2010205105 is about 44835.3109167317. The cubic root of 2010205105 is about 1262.0603531422.

Adding to 2010205105 its reverse (5015020102), we get a palindrome (7025225207).

The spelling of 2010205105 in words is "two billion, ten million, two hundred five thousand, one hundred five".