20030033021 has 8 divisors (see below), whose sum is σ = 20099795040. Its totient is φ = 19960386768.

The previous prime is 20030032973. The next prime is 20030033041. The reversal of 20030033021 is 12033003002.

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 20030033021 - 2¹⁰ = 20030031997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030032987 and 20030033005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030033041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325190 + ... + 381848.

It is an arithmetic number, because the mean of its divisors is an integer number (2512474380).

Almost surely, 2^20030033021 is an apocalyptic number.

It is an amenable number.

20030033021 is a deficient number, since it is larger than the sum of its proper divisors (69762019).

20030033021 is an equidigital number, since it uses as much as digits as its factorization.

20030033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57883.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20030033021 its reverse (12033003002), we get a palindrome (32063036023).

The spelling of 20030033021 in words is "twenty billion, thirty million, thirty-three thousand, twenty-one".