20332131227 has 2 divisors, whose sum is σ = 20332131228. Its totient is φ = 20332131226.

The previous prime is 20332131221. The next prime is 20332131241. The reversal of 20332131227 is 72213123302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20332131227 - 2⁸ = 20332130971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332131196 and 20332131205.

It is not a weakly prime, because it can be changed into another prime (20332131221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166065613 + 10166065614.

It is an arithmetic number, because the mean of its divisors is an integer number (10166065614).

Almost surely, 2^20332131227 is an apocalyptic number.

20332131227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332131227 is an equidigital number, since it uses as much as digits as its factorization.

20332131227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20332131227 its reverse (72213123302), we get a palindrome (92545254529).

The spelling of 20332131227 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-seven".