30420230021 has 8 divisors (see below), whose sum is σ = 32002581600. Its totient is φ = 28873437040.

The previous prime is 30420229999. The next prime is 30420230051. The reversal of 30420230021 is 12003202403.

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

It is not a de Polignac number, because 30420230021 - 2¹⁰ = 30420228997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420230051) 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, 8887895 + ... + 8891316.

It is an arithmetic number, because the mean of its divisors is an integer number (4000322700).

Almost surely, 2^30420230021 is an apocalyptic number.

It is an amenable number.

30420230021 is a deficient number, since it is larger than the sum of its proper divisors (1582351579).

30420230021 is a wasteful number, since it uses less digits than its factorization.

30420230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17779299.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30420230021 its reverse (12003202403), we get a palindrome (42423432424).

The spelling of 30420230021 in words is "thirty billion, four hundred twenty million, two hundred thirty thousand, twenty-one".