30221133230320 has 80 divisors (see below), whose sum is σ = 70977522192480. Its totient is φ = 11966219927552.

The previous prime is 30221133230261. The next prime is 30221133230341. The reversal of 30221133230320 is 2303233112203.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36790 + ... + 7774549.

It is an arithmetic number, because the mean of its divisors is an integer number (887219027406).

Almost surely, 2^{30221133230320} 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 30221133230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35488761096240).

30221133230320 is an abundant number, since it is smaller than the sum of its proper divisors (40756388962160).

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

30221133230320 is a wasteful number, since it uses less digits than its factorization.

30221133230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811842 (or 7811836 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30221133230320 its reverse (2303233112203), we get a palindrome (32524366342523).

The spelling of 30221133230320 in words is "thirty trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, three hundred twenty".