20003030017 has 4 divisors (see below), whose sum is σ = 20010629700. Its totient is φ = 19995430336.

The previous prime is 20003029999. The next prime is 20003030039. The reversal of 20003030017 is 71003030002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11503849536 + 8499180481 = 107256^2 + 92191^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003030017 - 2¹⁹ = 20002505729 is a prime.

It is a super-2 number, since 2×20003030017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003030077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3795892 + ... + 3801157.

It is an arithmetic number, because the mean of its divisors is an integer number (5002657425).

Almost surely, 2^20003030017 is an apocalyptic number.

It is an amenable number.

20003030017 is a deficient number, since it is larger than the sum of its proper divisors (7599683).

20003030017 is an equidigital number, since it uses as much as digits as its factorization.

20003030017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599682.

The product of its (nonzero) digits is 126, while the sum is 16.

Adding to 20003030017 its reverse (71003030002), we get a palindrome (91006060019).

The spelling of 20003030017 in words is "twenty billion, three million, thirty thousand, seventeen".