20022111017 has 2 divisors, whose sum is σ = 20022111018. Its totient is φ = 20022111016.

The previous prime is 20022111007. The next prime is 20022111071. The reversal of 20022111017 is 71011122002.

Together with next prime (20022111071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15514197136 + 4507913881 = 124556^2 + 67141^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022111017 - 2¹⁶ = 20022045481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022110986 and 20022111004.

It is not a weakly prime, because it can be changed into another prime (20022111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011055508 + 10011055509.

It is an arithmetic number, because the mean of its divisors is an integer number (10011055509).

Almost surely, 2^20022111017 is an apocalyptic number.

It is an amenable number.

20022111017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022111017 is an equidigital number, since it uses as much as digits as its factorization.

20022111017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 20022111017 its reverse (71011122002), we get a palindrome (91033233019).

The spelling of 20022111017 in words is "twenty billion, twenty-two million, one hundred eleven thousand, seventeen".