20203322311321 has 8 divisors (see below), whose sum is σ = 20232046116000. Its totient is φ = 20174616571200.

The previous prime is 20203322311241. The next prime is 20203322311331. The reversal of 20203322311321 is 12311322330202.

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 20203322311321 - 2²³ = 20203313922713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203322311331) 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, 2276971 + ... + 6752128.

It is an arithmetic number, because the mean of its divisors is an integer number (2529005764500).

Almost surely, 2^{20203322311321} is an apocalyptic number.

It is an amenable number.

20203322311321 is a deficient number, since it is larger than the sum of its proper divisors (28723804679).

20203322311321 is a wasteful number, since it uses less digits than its factorization.

20203322311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032279.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20203322311321 its reverse (12311322330202), we get a palindrome (32514644641523).

The spelling of 20203322311321 in words is "twenty trillion, two hundred three billion, three hundred twenty-two million, three hundred eleven thousand, three hundred twenty-one".