20007295801789 has 2 divisors, whose sum is σ = 20007295801790. Its totient is φ = 20007295801788.

The previous prime is 20007295801771. The next prime is 20007295801837. The reversal of 20007295801789 is 98710859270002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19765733381689 + 241562420100 = 4445867^2 + 491490^2 .

It is a cyclic number.

It is not a de Polignac number, because 20007295801789 - 2²³ = 20007287413181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20007290801789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003647900894 + 10003647900895.

It is an arithmetic number, because the mean of its divisors is an integer number (10003647900895).

Almost surely, 2^{20007295801789} is an apocalyptic number.

It is an amenable number.

20007295801789 is a deficient number, since it is larger than the sum of its proper divisors (1).

20007295801789 is an equidigital number, since it uses as much as digits as its factorization.

20007295801789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 20007295801789 in words is "twenty trillion, seven billion, two hundred ninety-five million, eight hundred one thousand, seven hundred eighty-nine".