30332313220 has 96 divisors (see below), whose sum is σ = 71170315776. Its totient is φ = 10766131200.

The previous prime is 30332313217. The next prime is 30332313283. The reversal of 30332313220 is 2231323303.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30332313191 and 30332313200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1548085 + ... + 1567555.

It is an arithmetic number, because the mean of its divisors is an integer number (741357456).

Almost surely, 2^30332313220 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 30332313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35585157888).

30332313220 is an abundant number, since it is smaller than the sum of its proper divisors (40838002556).

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

30332313220 is a wasteful number, since it uses less digits than its factorization.

30332313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661 (or 19659 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30332313220 its reverse (2231323303), we get a palindrome (32563636523).

The spelling of 30332313220 in words is "thirty billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred twenty".