210213432330 has 128 divisors (see below), whose sum is σ = 557524131840. Its totient is φ = 50302287360.

The previous prime is 210213432313. The next prime is 210213432337. The reversal of 210213432330 is 33234312012.

It is a self number, because there is not a number n which added to its sum of digits gives 210213432330.

It is not an unprimeable number, because it can be changed into a prime (210213432337) 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 63 ways as a sum of consecutive naturals, for example, 10628991 + ... + 10648749.

It is an arithmetic number, because the mean of its divisors is an integer number (4355657280).

Almost surely, 2^210213432330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210213432330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278762065920).

210213432330 is an abundant number, since it is smaller than the sum of its proper divisors (347310699510).

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

210213432330 is a wasteful number, since it uses less digits than its factorization.

210213432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 210213432330 its reverse (33234312012), we get a palindrome (243447744342).

The spelling of 210213432330 in words is "two hundred ten billion, two hundred thirteen million, four hundred thirty-two thousand, three hundred thirty".