20003232017 has 2 divisors, whose sum is σ = 20003232018. Its totient is φ = 20003232016.

The previous prime is 20003231993. The next prime is 20003232031. The reversal of 20003232017 is 71023230002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16781647936 + 3221584081 = 129544^2 + 56759^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003232017 - 2⁶ = 20003231953 is a prime.

It is a super-2 number, since 2×20003232017² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20003232017.

It is not a weakly prime, because it can be changed into another prime (20003232037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001616008 + 10001616009.

It is an arithmetic number, because the mean of its divisors is an integer number (10001616009).

Almost surely, 2^20003232017 is an apocalyptic number.

It is an amenable number.

20003232017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003232017 is an equidigital number, since it uses as much as digits as its factorization.

20003232017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 20003232017 its reverse (71023230002), we get a palindrome (91026462019).

The spelling of 20003232017 in words is "twenty billion, three million, two hundred thirty-two thousand, seventeen".