20232020221331 has 4 divisors (see below), whose sum is σ = 20488121743200. Its totient is φ = 19975918699464.

The previous prime is 20232020221297. The next prime is 20232020221351. The reversal of 20232020221331 is 13312202023202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20232020221331 - 2¹⁸ = 20232019959187 is a prime.

It is a super-2 number, since 2×20232020221331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232020221297 and 20232020221306.

It is not an unprimeable number, because it can be changed into a prime (20232020221351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128050760816 + ... + 128050760973.

It is an arithmetic number, because the mean of its divisors is an integer number (5122030435800).

Almost surely, 2^{20232020221331} is an apocalyptic number.

20232020221331 is a deficient number, since it is larger than the sum of its proper divisors (256101521869).

20232020221331 is an equidigital number, since it uses as much as digits as its factorization.

20232020221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256101521868.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20232020221331 its reverse (13312202023202), we get a palindrome (33544222244533).

The spelling of 20232020221331 in words is "twenty trillion, two hundred thirty-two billion, twenty million, two hundred twenty-one thousand, three hundred thirty-one".