20333412227 has 2 divisors, whose sum is σ = 20333412228. Its totient is φ = 20333412226.

The previous prime is 20333412221. The next prime is 20333412257. The reversal of 20333412227 is 72221433302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20333412227 - 2¹⁸ = 20333150083 is a prime.

It is a super-2 number, since 2×20333412227² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20333412227.

It is not a weakly prime, because it can be changed into another prime (20333412221) 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, 10166706113 + 10166706114.

It is an arithmetic number, because the mean of its divisors is an integer number (10166706114).

Almost surely, 2^20333412227 is an apocalyptic number.

20333412227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333412227 is an equidigital number, since it uses as much as digits as its factorization.

20333412227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 20333412227 its reverse (72221433302), we get a palindrome (92554845529).

The spelling of 20333412227 in words is "twenty billion, three hundred thirty-three million, four hundred twelve thousand, two hundred twenty-seven".