20124331567 has 2 divisors, whose sum is σ = 20124331568. Its totient is φ = 20124331566.

The previous prime is 20124331537. The next prime is 20124331613. The reversal of 20124331567 is 76513342102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20124331567 - 2⁷ = 20124331439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20124331537) 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, 10062165783 + 10062165784.

It is an arithmetic number, because the mean of its divisors is an integer number (10062165784).

Almost surely, 2^20124331567 is an apocalyptic number.

20124331567 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124331567 is an equidigital number, since it uses as much as digits as its factorization.

20124331567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 20124331567 its reverse (76513342102), we get a palindrome (96637673669).

The spelling of 20124331567 in words is "twenty billion, one hundred twenty-four million, three hundred thirty-one thousand, five hundred sixty-seven".