20021330103 has 8 divisors (see below), whose sum is σ = 26727389568. Its totient is φ = 13331412024.

The previous prime is 20021330093. The next prime is 20021330149. The reversal of 20021330103 is 30103312002.

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

It is not a de Polignac number, because 20021330103 - 2⁵ = 20021330071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021330183) 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, 4032451 + ... + 4037412.

It is an arithmetic number, because the mean of its divisors is an integer number (3340923696).

Almost surely, 2^20021330103 is an apocalyptic number.

20021330103 is a deficient number, since it is larger than the sum of its proper divisors (6706059465).

20021330103 is an equidigital number, since it uses as much as digits as its factorization.

20021330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070693.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20021330103 its reverse (30103312002), we get a palindrome (50124642105).

The spelling of 20021330103 in words is "twenty billion, twenty-one million, three hundred thirty thousand, one hundred three".