20023210023017 has 2 divisors, whose sum is σ = 20023210023018. Its totient is φ = 20023210023016.

The previous prime is 20023210022947. The next prime is 20023210023029. The reversal of 20023210023017 is 71032001232002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19811587942441 + 211622080576 = 4451021^2 + 460024^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023210023017 - 2²⁰ = 20023208974441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023210022983 and 20023210023001.

It is not a weakly prime, because it can be changed into another prime (20023210023077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011605011508 + 10011605011509.

It is an arithmetic number, because the mean of its divisors is an integer number (10011605011509).

Almost surely, 2^{20023210023017} is an apocalyptic number.

It is an amenable number.

20023210023017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023210023017 is an equidigital number, since it uses as much as digits as its factorization.

20023210023017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 20023210023017 its reverse (71032001232002), we get a palindrome (91055211255019).

The spelling of 20023210023017 in words is "twenty trillion, twenty-three billion, two hundred ten million, twenty-three thousand, seventeen".