20221232047 has 2 divisors, whose sum is σ = 20221232048. Its totient is φ = 20221232046.

The previous prime is 20221231997. The next prime is 20221232051. The reversal of 20221232047 is 74023212202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221232047 - 2²³ = 20212843439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221232147) 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, 10110616023 + 10110616024.

It is an arithmetic number, because the mean of its divisors is an integer number (10110616024).

Almost surely, 2^20221232047 is an apocalyptic number.

20221232047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221232047 is an equidigital number, since it uses as much as digits as its factorization.

20221232047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 20221232047 its reverse (74023212202), we get a palindrome (94244444249).

The spelling of 20221232047 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-two thousand, forty-seven".