210104320 has 52 divisors (see below), whose sum is σ = 504237960. Its totient is φ = 84033536.

The previous prime is 210104303. The next prime is 210104339. The reversal of 210104320 is 23401012.

It is a self number, because there is not a number n which added to its sum of digits gives 210104320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15351 + ... + 25609.

Almost surely, 2^210104320 is an apocalyptic number.

210104320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252118980).

210104320 is an abundant number, since it is smaller than the sum of its proper divisors (294133640).

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

210104320 is an equidigital number, since it uses as much as digits as its factorization.

210104320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288 (or 10266 counting only the distinct ones).

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

The square root of 210104320 is about 14494.9756812490. The cubic root of 210104320 is about 594.4906027828.

Adding to 210104320 its reverse (23401012), we get a palindrome (233505332).

The spelling of 210104320 in words is "two hundred ten million, one hundred four thousand, three hundred twenty".