30220323303320 has 128 divisors (see below), whose sum is σ = 69274284912000. Its totient is φ = 11861789921280.

The previous prime is 30220323303311. The next prime is 30220323303323. The reversal of 30220323303320 is 2330332302203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30220323303320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220323303323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5910485084 + ... + 5910490196.

It is an arithmetic number, because the mean of its divisors is an integer number (541205350875).

Almost surely, 2^{30220323303320} 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 30220323303320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34637142456000).

30220323303320 is an abundant number, since it is smaller than the sum of its proper divisors (39053961608680).

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

30220323303320 is a wasteful number, since it uses less digits than its factorization.

30220323303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453 (or 10449 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 26.

Adding to 30220323303320 its reverse (2330332302203), we get a palindrome (32550655605523).

The spelling of 30220323303320 in words is "thirty trillion, two hundred twenty billion, three hundred twenty-three million, three hundred three thousand, three hundred twenty".