330442420021 has 8 divisors (see below), whose sum is σ = 399863096640. Its totient is φ = 266575397568.

The previous prime is 330442420001. The next prime is 330442420031. The reversal of 330442420021 is 120024244033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330442420021 - 2⁹ = 330442419509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330442420001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388413411 + ... + 1388413648.

It is an arithmetic number, because the mean of its divisors is an integer number (49982887080).

Almost surely, 2^330442420021 is an apocalyptic number.

It is an amenable number.

330442420021 is a deficient number, since it is larger than the sum of its proper divisors (69420676619).

330442420021 is a wasteful number, since it uses less digits than its factorization.

330442420021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776827083.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 330442420021 its reverse (120024244033), we get a palindrome (450466664054).

The spelling of 330442420021 in words is "three hundred thirty billion, four hundred forty-two million, four hundred twenty thousand, twenty-one".