206089101 has 6 divisors (see below), whose sum is σ = 297684270. Its totient is φ = 137392728.

The previous prime is 206089099. The next prime is 206089129. The reversal of 206089101 is 101980602.

It can be written as a sum of positive squares in only one way, i.e., 153512100 + 52577001 = 12390^2 + 7251^2 .

It is not a de Polignac number, because 206089101 - 2¹ = 206089099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206089141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11449386 + ... + 11449403.

It is an arithmetic number, because the mean of its divisors is an integer number (49614045).

Almost surely, 2^206089101 is an apocalyptic number.

It is an amenable number.

206089101 is a deficient number, since it is larger than the sum of its proper divisors (91595169).

206089101 is a wasteful number, since it uses less digits than its factorization.

206089101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22898795 (or 22898792 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 206089101 is about 14355.8037392547. The cubic root of 206089101 is about 590.6791957995.

The spelling of 206089101 in words is "two hundred six million, eighty-nine thousand, one hundred one".