206632013 has 16 divisors (see below), whose sum is σ = 243861504. Its totient is φ = 171383040.

The previous prime is 206632009. The next prime is 206632057. The reversal of 206632013 is 310236602.

It is a cyclic number.

It is not a de Polignac number, because 206632013 - 2² = 206632009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206632013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206632073) 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 15 ways as a sum of consecutive naturals, for example, 47381 + ... + 51557.

It is an arithmetic number, because the mean of its divisors is an integer number (15241344).

Almost surely, 2^206632013 is an apocalyptic number.

It is an amenable number.

206632013 is a deficient number, since it is larger than the sum of its proper divisors (37229491).

206632013 is a wasteful number, since it uses less digits than its factorization.

206632013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 206632013 is about 14374.7004490528. The cubic root of 206632013 is about 591.1974273675.

Adding to 206632013 its reverse (310236602), we get a palindrome (516868615).

The spelling of 206632013 in words is "two hundred six million, six hundred thirty-two thousand, thirteen".