2102266205 has 24 divisors (see below), whose sum is σ = 2735183880. Its totient is φ = 1550465280.

The previous prime is 2102266141. The next prime is 2102266237. The reversal of 2102266205 is 5026622012.

It can be written as a sum of positive squares in 12 ways, for example, as 2089038436 + 13227769 = 45706^2 + 3637^2 .

It is not a de Polignac number, because 2102266205 - 2⁶ = 2102266141 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 1206635 + ... + 1208375.

It is an arithmetic number, because the mean of its divisors is an integer number (113965995).

Almost surely, 2^2102266205 is an apocalyptic number.

It is an amenable number.

2102266205 is a deficient number, since it is larger than the sum of its proper divisors (632917675).

2102266205 is a wasteful number, since it uses less digits than its factorization.

2102266205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2102266205 is about 45850.4766060289. The cubic root of 2102266205 is about 1281.0396430223.

Adding to 2102266205 its reverse (5026622012), we get a palindrome (7128888217).

The spelling of 2102266205 in words is "two billion, one hundred two million, two hundred sixty-six thousand, two hundred five".