20313222231227 has 2 divisors, whose sum is σ = 20313222231228. Its totient is φ = 20313222231226.

The previous prime is 20313222231221. The next prime is 20313222231373. The reversal of 20313222231227 is 72213222231302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20313222231227 - 2¹⁴ = 20313222214843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20313222231193 and 20313222231202.

It is not a weakly prime, because it can be changed into another prime (20313222231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156611115613 + 10156611115614.

It is an arithmetic number, because the mean of its divisors is an integer number (10156611115614).

Almost surely, 2^{20313222231227} is an apocalyptic number.

20313222231227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313222231227 is an equidigital number, since it uses as much as digits as its factorization.

20313222231227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 20313222231227 its reverse (72213222231302), we get a palindrome (92526444462529).

The spelling of 20313222231227 in words is "twenty trillion, three hundred thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-seven".