20322012047 has 2 divisors, whose sum is σ = 20322012048. Its totient is φ = 20322012046.

The previous prime is 20322012031. The next prime is 20322012049. The reversal of 20322012047 is 74021022302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20322012047 - 2⁴ = 20322012031 is a prime.

Together with 20322012049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322012049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161006023 + 10161006024.

It is an arithmetic number, because the mean of its divisors is an integer number (10161006024).

Almost surely, 2^20322012047 is an apocalyptic number.

20322012047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322012047 is an equidigital number, since it uses as much as digits as its factorization.

20322012047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 20322012047 its reverse (74021022302), we get a palindrome (94343034349).

The spelling of 20322012047 in words is "twenty billion, three hundred twenty-two million, twelve thousand, forty-seven".