20221120203331 has 16 divisors (see below), whose sum is σ = 20611173911328. Its totient is φ = 19834910726400.

The previous prime is 20221120203329. The next prime is 20221120203373. The reversal of 20221120203331 is 13330202112202.

It is a cyclic number.

It is not a de Polignac number, because 20221120203331 - 2¹ = 20221120203329 is a prime.

It is a super-2 number, since 2×20221120203331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221120204331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178421 + ... + 10359961.

It is an arithmetic number, because the mean of its divisors is an integer number (1288198369458).

Almost surely, 2^{20221120203331} is an apocalyptic number.

20221120203331 is a deficient number, since it is larger than the sum of its proper divisors (390053707997).

20221120203331 is a wasteful number, since it uses less digits than its factorization.

20221120203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182422.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20221120203331 its reverse (13330202112202), we get a palindrome (33551322315533).

The spelling of 20221120203331 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred three thousand, three hundred thirty-one".