20002017 has 16 divisors (see below), whose sum is σ = 30752640. Its totient is φ = 11327232.

The previous prime is 20002007. The next prime is 20002027. The reversal of 20002017 is 71020002.

It is an interprime number because it is at equal distance from previous prime (20002007) and next prime (20002027).

It is not a de Polignac number, because 20002017 - 2¹⁵ = 19969249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20001993 and 20002011.

It is not an unprimeable number, because it can be changed into a prime (20002007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (1922040).

Almost surely, 2^20002017 is an apocalyptic number.

It is an amenable number.

20002017 is a deficient number, since it is larger than the sum of its proper divisors (10750623).

20002017 is a wasteful number, since it uses less digits than its factorization.

20002017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 20002017 is about 4472.3614567698. The cubic root of 20002017 is about 271.4508863200.

Adding to 20002017 its reverse (71020002), we get a palindrome (91022019).

The spelling of 20002017 in words is "twenty million, two thousand, seventeen".