20027036017 has 2 divisors, whose sum is σ = 20027036018. Its totient is φ = 20027036016.

The previous prime is 20027036009. The next prime is 20027036041. The reversal of 20027036017 is 71063072002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14571145521 + 5455890496 = 120711^2 + 73864^2 .

It is a cyclic number.

It is not a de Polignac number, because 20027036017 - 2³ = 20027036009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20027036917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013518008 + 10013518009.

It is an arithmetic number, because the mean of its divisors is an integer number (10013518009).

Almost surely, 2^20027036017 is an apocalyptic number.

It is an amenable number.

20027036017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20027036017 is an equidigital number, since it uses as much as digits as its factorization.

20027036017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The spelling of 20027036017 in words is "twenty billion, twenty-seven million, thirty-six thousand, seventeen".