30020302021 has 8 divisors (see below), whose sum is σ = 30125829888. Its totient is φ = 29914950000.

The previous prime is 30020302019. The next prime is 30020302031. The reversal of 30020302021 is 12020302003.

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 30020302021 - 2¹ = 30020302019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020301992 and 30020302010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020302001) 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, 302856 + ... + 389566.

It is an arithmetic number, because the mean of its divisors is an integer number (3765728736).

Almost surely, 2^30020302021 is an apocalyptic number.

It is an amenable number.

30020302021 is a deficient number, since it is larger than the sum of its proper divisors (105527867).

30020302021 is an equidigital number, since it uses as much as digits as its factorization.

30020302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87923.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30020302021 its reverse (12020302003), we get a palindrome (42040604024).

The spelling of 30020302021 in words is "thirty billion, twenty million, three hundred two thousand, twenty-one".