213320250 has 384 divisors, whose sum is σ = 739964160. Its totient is φ = 44928000.

The previous prime is 213320203. The next prime is 213320257. The reversal of 213320250 is 52023312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320257) 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 191 ways as a sum of consecutive naturals, for example, 12548242 + ... + 12548258.

It is an arithmetic number, because the mean of its divisors is an integer number (1926990).

Almost surely, 2^213320250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213320250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369982080).

213320250 is an abundant number, since it is smaller than the sum of its proper divisors (526643910).

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

213320250 is a wasteful number, since it uses less digits than its factorization.

213320250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 213320250 is about 14605.4869826377. The cubic root of 213320250 is about 597.5084176846.

Adding to 213320250 its reverse (52023312), we get a palindrome (265343562).

The spelling of 213320250 in words is "two hundred thirteen million, three hundred twenty thousand, two hundred fifty".