213006320 has 40 divisors (see below), whose sum is σ = 496307520. Its totient is φ = 85018880.

The previous prime is 213006259. The next prime is 213006331. The reversal of 213006320 is 23600312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38105 + ... + 43335.

It is an arithmetic number, because the mean of its divisors is an integer number (12407688).

Almost surely, 2^213006320 is an apocalyptic number.

213006320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213006320 is an abundant number, since it is smaller than the sum of its proper divisors (283301200).

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

213006320 is a wasteful number, since it uses less digits than its factorization.

213006320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213006320 is about 14594.7360373526. The cubic root of 213006320 is about 597.2151685949.

Adding to 213006320 its reverse (23600312), we get a palindrome (236606632).

The spelling of 213006320 in words is "two hundred thirteen million, six thousand, three hundred twenty".