208260105 has 16 divisors (see below), whose sum is σ = 333906624. Its totient is φ = 110841920.

The previous prime is 208260071. The next prime is 208260109. The reversal of 208260105 is 501062802.

It is not a de Polignac number, because 208260105 - 2⁹ = 208259593 is a prime.

It is a super-2 number, since 2×208260105² = 86744542669222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208260109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6774 + ... + 21503.

It is an arithmetic number, because the mean of its divisors is an integer number (20869164).

Almost surely, 2^208260105 is an apocalyptic number.

It is an amenable number.

208260105 is a deficient number, since it is larger than the sum of its proper divisors (125646519).

208260105 is a wasteful number, since it uses less digits than its factorization.

208260105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 208260105 is about 14431.2198029134. The cubic root of 208260105 is about 592.7460851771.

The spelling of 208260105 in words is "two hundred eight million, two hundred sixty thousand, one hundred five".