20026560929 has 2 divisors, whose sum is σ = 20026560930. Its totient is φ = 20026560928.

The previous prime is 20026560887. The next prime is 20026560959. The reversal of 20026560929 is 92906562002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17517051904 + 2509509025 = 132352^2 + 50095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20026560929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20026560959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013280464 + 10013280465.

It is an arithmetic number, because the mean of its divisors is an integer number (10013280465).

Almost surely, 2^20026560929 is an apocalyptic number.

It is an amenable number.

20026560929 is a deficient number, since it is larger than the sum of its proper divisors (1).

20026560929 is an equidigital number, since it uses as much as digits as its factorization.

20026560929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 20026560929 in words is "twenty billion, twenty-six million, five hundred sixty thousand, nine hundred twenty-nine".