20016411 has 4 divisors (see below), whose sum is σ = 26688552. Its totient is φ = 13344272.

The previous prime is 20016397. The next prime is 20016413. The reversal of 20016411 is 11461002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20016411 - 2⁵ = 20016379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20016413) 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 3 ways as a sum of consecutive naturals, for example, 3336066 + ... + 3336071.

It is an arithmetic number, because the mean of its divisors is an integer number (6672138).

Almost surely, 2^20016411 is an apocalyptic number.

20016411 is a deficient number, since it is larger than the sum of its proper divisors (6672141).

20016411 is an equidigital number, since it uses as much as digits as its factorization.

20016411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672140.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20016411 is about 4473.9703843454. The cubic root of 20016411 is about 271.5159852077.

Adding to 20016411 its reverse (11461002), we get a palindrome (31477413).

The spelling of 20016411 in words is "twenty million, sixteen thousand, four hundred eleven".