213320056 has 32 divisors (see below), whose sum is σ = 416379600. Its totient is φ = 102332160.

The previous prime is 213320053. The next prime is 213320057. The reversal of 213320056 is 650023312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320053) 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 7 ways as a sum of consecutive naturals, for example, 34996 + ... + 40636.

Almost surely, 2^213320056 is an apocalyptic number.

It is an amenable number.

213320056 is a deficient number, since it is larger than the sum of its proper divisors (203059544).

213320056 is a wasteful number, since it uses less digits than its factorization.

213320056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 213320056 is about 14605.4803412966. The cubic root of 213320056 is about 597.5082365537.

Adding to 213320056 its reverse (650023312), we get a palindrome (863343368).

The spelling of 213320056 in words is "two hundred thirteen million, three hundred twenty thousand, fifty-six".