20094217 has 16 divisors (see below), whose sum is σ = 23905728. Its totient is φ = 16649280.

The previous prime is 20094143. The next prime is 20094241. The reversal of 20094217 is 71249002.

It is a cyclic number.

It is not a de Polignac number, because 20094217 - 2⁷ = 20094089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20094191 and 20094200.

It is not an unprimeable number, because it can be changed into a prime (20094247) 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, 11023 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (1494108).

Almost surely, 2^20094217 is an apocalyptic number.

It is an amenable number.

20094217 is a deficient number, since it is larger than the sum of its proper divisors (3811511).

20094217 is a wasteful number, since it uses less digits than its factorization.

20094217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20094217 is about 4482.6573592011. The cubic root of 20094217 is about 271.8673345617.

It can be divided in two parts, 2009 and 4217, that added together give a palindrome (6226).

The spelling of 20094217 in words is "twenty million, ninety-four thousand, two hundred seventeen".