213320005 has 16 divisors (see below), whose sum is σ = 258408000. Its totient is φ = 169049088.

The previous prime is 213319949. The next prime is 213320017. The reversal of 213320005 is 500023312.

It is a cyclic number.

It is not a de Polignac number, because 213320005 - 2¹⁷ = 213188933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427246 + ... + 427744.

It is an arithmetic number, because the mean of its divisors is an integer number (16150500).

Almost surely, 2^213320005 is an apocalyptic number.

It is an amenable number.

213320005 is a deficient number, since it is larger than the sum of its proper divisors (45087995).

213320005 is a wasteful number, since it uses less digits than its factorization.

213320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 213320005 is about 14605.4785953765. The cubic root of 213320005 is about 597.5081889367.

Adding to 213320005 its reverse (500023312), we get a palindrome (713343317).

The spelling of 213320005 in words is "two hundred thirteen million, three hundred twenty thousand, five".