206870229 has 12 divisors (see below), whose sum is σ = 316389996. Its totient is φ = 129800832.

The previous prime is 206870201. The next prime is 206870239. The reversal of 206870229 is 922078602.

206870229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190854225 + 16016004 = 13815^2 + 4002^2 .

It is not a de Polignac number, because 206870229 - 2¹² = 206866133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206870193 and 206870202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206870239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675894 + ... + 676199.

It is an arithmetic number, because the mean of its divisors is an integer number (26365833).

Almost surely, 2^206870229 is an apocalyptic number.

It is an amenable number.

206870229 is a deficient number, since it is larger than the sum of its proper divisors (109519767).

206870229 is a wasteful number, since it uses less digits than its factorization.

206870229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352116 (or 1352113 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 206870229 is about 14382.9840088905. The cubic root of 206870229 is about 591.4245277076.

The spelling of 206870229 in words is "two hundred six million, eight hundred seventy thousand, two hundred twenty-nine".