30021333342 has 64 divisors (see below), whose sum is σ = 80616743424. Its totient is φ = 7197920640.

The previous prime is 30021333301. The next prime is 30021333343. The reversal of 30021333342 is 24333312003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021333343) 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, 2493273 + ... + 2505284.

It is an arithmetic number, because the mean of its divisors is an integer number (1259636616).

Almost surely, 2^30021333342 is an apocalyptic number.

30021333342 is an abundant number, since it is smaller than the sum of its proper divisors (50595410082).

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

30021333342 is a wasteful number, since it uses less digits than its factorization.

30021333342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998593.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 30021333342 its reverse (24333312003), we get a palindrome (54354645345).

It can be divided in two parts, 30021 and 333342, that added together give a palindrome (363363).

The spelling of 30021333342 in words is "thirty billion, twenty-one million, three hundred thirty-three thousand, three hundred forty-two".