20017006 has 8 divisors (see below), whose sum is σ = 30064464. Its totient is φ = 9995520.

The previous prime is 20017001. The next prime is 20017009. The reversal of 20017006 is 60071002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20017001) 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, 4435 + ... + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (3758058).

Almost surely, 2^20017006 is an apocalyptic number.

20017006 is a deficient number, since it is larger than the sum of its proper divisors (10047458).

20017006 is a wasteful number, since it uses less digits than its factorization.

20017006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20017006 is about 4474.0368795977. The cubic root of 20017006 is about 271.5186755070.

Adding to 20017006 its reverse (60071002), we get a palindrome (80088008).

The spelling of 20017006 in words is "twenty million, seventeen thousand, six".