213320210 has 32 divisors (see below), whose sum is σ = 393299712. Its totient is φ = 83280960.

The previous prime is 213320203. The next prime is 213320257. The reversal of 213320210 is 12023312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71672 + ... + 74588.

It is an arithmetic number, because the mean of its divisors is an integer number (12290616).

Almost surely, 2^213320210 is an apocalyptic number.

213320210 is a deficient number, since it is larger than the sum of its proper divisors (179979502).

213320210 is a wasteful number, since it uses less digits than its factorization.

213320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213320210 is about 14605.4856132893. The cubic root of 213320210 is about 597.5083803380.

Adding to 213320210 its reverse (12023312), we get a palindrome (225343522).

The spelling of 213320210 in words is "two hundred thirteen million, three hundred twenty thousand, two hundred ten".