206513106 has 16 divisors (see below), whose sum is σ = 415800000. Its totient is φ = 68375408.

The previous prime is 206513077. The next prime is 206513107. The reversal of 206513106 is 601315602.

206513106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206513107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114606 + ... + 116393.

It is an arithmetic number, because the mean of its divisors is an integer number (25987500).

Almost surely, 2^206513106 is an apocalyptic number.

206513106 is an abundant number, since it is smaller than the sum of its proper divisors (209286894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206513106 is a wasteful number, since it uses less digits than its factorization.

206513106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231153.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 206513106 is about 14370.5638720267. The cubic root of 206513106 is about 591.0840035082.

Adding to 206513106 its reverse (601315602), we get a palindrome (807828708).

The spelling of 206513106 in words is "two hundred six million, five hundred thirteen thousand, one hundred six".