213220210 has 32 divisors (see below), whose sum is σ = 444188160. Its totient is φ = 72176832.

The previous prime is 213220207. The next prime is 213220211. The reversal of 213220210 is 12022312.

It is not an unprimeable number, because it can be changed into a prime (213220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13749 + ... + 24808.

It is an arithmetic number, because the mean of its divisors is an integer number (13880880).

Almost surely, 2^213220210 is an apocalyptic number.

213220210 is an abundant number, since it is smaller than the sum of its proper divisors (230967950).

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

213220210 is a wasteful number, since it uses less digits than its factorization.

213220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38650.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213220210 is about 14602.0618407128. The cubic root of 213220210 is about 597.4149993169.

Adding to 213220210 its reverse (12022312), we get a palindrome (225242522).

The spelling of 213220210 in words is "two hundred thirteen million, two hundred twenty thousand, two hundred ten".