20006297 has 16 divisors (see below), whose sum is σ = 23276160. Its totient is φ = 17056512.

The previous prime is 20006279. The next prime is 20006339. The reversal of 20006297 is 79260002.

It is a cyclic number.

It is not a de Polignac number, because 20006297 - 2¹² = 20002201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006227) 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, 6083 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (1454760).

Almost surely, 2^20006297 is an apocalyptic number.

It is an amenable number.

20006297 is a deficient number, since it is larger than the sum of its proper divisors (3269863).

20006297 is a wasteful number, since it uses less digits than its factorization.

20006297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20006297 is about 4472.8399255954. The cubic root of 20006297 is about 271.4702464831.

Adding to 20006297 its reverse (79260002), we get a palindrome (99266299).

The spelling of 20006297 in words is "twenty million, six thousand, two hundred ninety-seven".