20432228567 has 2 divisors, whose sum is σ = 20432228568. Its totient is φ = 20432228566.

The previous prime is 20432228561. The next prime is 20432228611. The reversal of 20432228567 is 76582223402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432228567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20432228561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10216114283 + 10216114284.

It is an arithmetic number, because the mean of its divisors is an integer number (10216114284).

Almost surely, 2^20432228567 is an apocalyptic number.

20432228567 is a deficient number, since it is larger than the sum of its proper divisors (1).

20432228567 is an equidigital number, since it uses as much as digits as its factorization.

20432228567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 20432228567 in words is "twenty billion, four hundred thirty-two million, two hundred twenty-eight thousand, five hundred sixty-seven".