30380583220 has 96 divisors (see below), whose sum is σ = 69346368000. Its totient is φ = 11113511424.

The previous prime is 30380583217. The next prime is 30380583221. The reversal of 30380583220 is 2238508303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380583221) 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 31 ways as a sum of consecutive naturals, for example, 15586806 + ... + 15588754.

It is an arithmetic number, because the mean of its divisors is an integer number (722358000).

Almost surely, 2^30380583220 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 30380583220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34673184000).

30380583220 is an abundant number, since it is smaller than the sum of its proper divisors (38965784780).

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

30380583220 is a wasteful number, since it uses less digits than its factorization.

30380583220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 30380583220 in words is "thirty billion, three hundred eighty million, five hundred eighty-three thousand, two hundred twenty".