20213203330321 has 8 divisors (see below), whose sum is σ = 21278112840320. Its totient is φ = 19148399490672.

The previous prime is 20213203330303. The next prime is 20213203330373. The reversal of 20213203330321 is 12303330231202.

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 20213203330321 - 2¹¹ = 20213203328273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213203330391) 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, 26024790 + ... + 26790223.

It is an arithmetic number, because the mean of its divisors is an integer number (2659764105040).

Almost surely, 2^{20213203330321} is an apocalyptic number.

It is an amenable number.

20213203330321 is a deficient number, since it is larger than the sum of its proper divisors (1064909509999).

20213203330321 is a wasteful number, since it uses less digits than its factorization.

20213203330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52835175.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20213203330321 its reverse (12303330231202), we get a palindrome (32516533561523).

The spelling of 20213203330321 in words is "twenty trillion, two hundred thirteen billion, two hundred three million, three hundred thirty thousand, three hundred twenty-one".