30021120332 has 24 divisors (see below), whose sum is σ = 61059909120. Its totient is φ = 12648122640.

The previous prime is 30021120329. The next prime is 30021120377. The reversal of 30021120332 is 23302112003.

It is a self number, because there is not a number n which added to its sum of digits gives 30021120332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9084644 + ... + 9087947.

It is an arithmetic number, because the mean of its divisors is an integer number (2544162880).

Almost surely, 2^30021120332 is an apocalyptic number.

It is an amenable number.

30021120332 is an abundant number, since it is smaller than the sum of its proper divisors (31038788788).

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

30021120332 is a wasteful number, since it uses less digits than its factorization.

30021120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172661 (or 18172659 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30021120332 its reverse (23302112003), we get a palindrome (53323232335).

The spelling of 30021120332 in words is "thirty billion, twenty-one million, one hundred twenty thousand, three hundred thirty-two".