206026105 has 12 divisors (see below), whose sum is σ = 252001260. Its totient is φ = 161700032.

The previous prime is 206026099. The next prime is 206026123. The reversal of 206026105 is 501620602.

It can be written as a sum of positive squares in 6 ways, for example, as 10837264 + 195188841 = 3292^2 + 13971^2 .

It is not a de Polignac number, because 206026105 - 2⁷ = 206025977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6711 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (21000105).

Almost surely, 2^206026105 is an apocalyptic number.

It is an amenable number.

206026105 is a deficient number, since it is larger than the sum of its proper divisors (45975155).

206026105 is an equidigital number, since it uses as much as digits as its factorization.

206026105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14780 (or 14727 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 206026105 is about 14353.6094763652. The cubic root of 206026105 is about 590.6190046516.

Adding to 206026105 its reverse (501620602), we get a palindrome (707646707).

The spelling of 206026105 in words is "two hundred six million, twenty-six thousand, one hundred five".