20429758067 has 2 divisors, whose sum is σ = 20429758068. Its totient is φ = 20429758066.

The previous prime is 20429758039. The next prime is 20429758081. The reversal of 20429758067 is 76085792402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20429758067 - 2¹⁸ = 20429495923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20429758567) 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, 10214879033 + 10214879034.

It is an arithmetic number, because the mean of its divisors is an integer number (10214879034).

Almost surely, 2^20429758067 is an apocalyptic number.

20429758067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20429758067 is an equidigital number, since it uses as much as digits as its factorization.

20429758067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 20429758067 in words is "twenty billion, four hundred twenty-nine million, seven hundred fifty-eight thousand, sixty-seven".