206513060 has 96 divisors (see below), whose sum is σ = 492156000. Its totient is φ = 72253440.

The previous prime is 206513051. The next prime is 206513077. The reversal of 206513060 is 60315602.

It can be written as a sum of positive squares in 16 ways, for example, as 125260864 + 81252196 = 11192^2 + 9014^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 459716 + ... + 460164.

It is an arithmetic number, because the mean of its divisors is an integer number (5126625).

Almost surely, 2^206513060 is an apocalyptic number.

206513060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206513060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246078000).

206513060 is an abundant number, since it is smaller than the sum of its proper divisors (285642940).

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

206513060 is a wasteful number, since it uses less digits than its factorization.

206513060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 206513060 is about 14370.5622715327. The cubic root of 206513060 is about 591.0839596210.

Adding to 206513060 its reverse (60315602), we get a palindrome (266828662).

The spelling of 206513060 in words is "two hundred six million, five hundred thirteen thousand, sixty".