20260217 has 8 divisors (see below), whose sum is σ = 21397824. Its totient is φ = 19144048.

The previous prime is 20260211. The next prime is 20260237. The reversal of 20260217 is 71206202.

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

It is a cyclic number.

It is not a de Polignac number, because 20260217 - 2¹⁰ = 20259193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20260211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (2674728).

Almost surely, 2^20260217 is an apocalyptic number.

It is an amenable number.

20260217 is a deficient number, since it is larger than the sum of its proper divisors (1137607).

20260217 is a wasteful number, since it uses less digits than its factorization.

20260217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20260217 is about 4501.1350790662. The cubic root of 20260217 is about 272.6139220103.

Adding to 20260217 its reverse (71206202), we get a palindrome (91466419).

The spelling of 20260217 in words is "twenty million, two hundred sixty thousand, two hundred seventeen".