20417411 has 16 divisors (see below), whose sum is σ = 24023040. Its totient is φ = 16990560.

The previous prime is 20417387. The next prime is 20417413. The reversal of 20417411 is 11471402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20417411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20417413) 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 15 ways as a sum of consecutive naturals, for example, 75206 + ... + 75476.

It is an arithmetic number, because the mean of its divisors is an integer number (1501440).

Almost surely, 2^20417411 is an apocalyptic number.

20417411 is a deficient number, since it is larger than the sum of its proper divisors (3605629).

20417411 is a wasteful number, since it uses less digits than its factorization.

20417411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 20417411 is about 4518.5629352705. The cubic root of 20417411 is about 273.3171543401.

Adding to 20417411 its reverse (11471402), we get a palindrome (31888813).

The spelling of 20417411 in words is "twenty million, four hundred seventeen thousand, four hundred eleven".