20632431067 has 2 divisors, whose sum is σ = 20632431068. Its totient is φ = 20632431066.

The previous prime is 20632431019. The next prime is 20632431073. The reversal of 20632431067 is 76013423602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20632431067 - 2¹¹ = 20632429019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20632431077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10316215533 + 10316215534.

It is an arithmetic number, because the mean of its divisors is an integer number (10316215534).

Almost surely, 2^20632431067 is an apocalyptic number.

20632431067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20632431067 is an equidigital number, since it uses as much as digits as its factorization.

20632431067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 20632431067 its reverse (76013423602), we get a palindrome (96645854669).

The spelling of 20632431067 in words is "twenty billion, six hundred thirty-two million, four hundred thirty-one thousand, sixty-seven".