30320002332 has 72 divisors (see below), whose sum is σ = 78586588080. Its totient is φ = 9850740480.

The previous prime is 30320002327. The next prime is 30320002357. The reversal of 30320002332 is 23320002303.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1627623 + ... + 1646145.

It is an arithmetic number, because the mean of its divisors is an integer number (1091480390).

Almost surely, 2^30320002332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30320002332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39293294040).

30320002332 is an abundant number, since it is smaller than the sum of its proper divisors (48266585748).

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

30320002332 is a wasteful number, since it uses less digits than its factorization.

30320002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19683 (or 19678 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30320002332 its reverse (23320002303), we get a palindrome (53640004635).

The spelling of 30320002332 in words is "thirty billion, three hundred twenty million, two thousand, three hundred thirty-two".