20068441 has 4 divisors (see below), whose sum is σ = 20085300. Its totient is φ = 20051584.

The previous prime is 20068409. The next prime is 20068453. The reversal of 20068441 is 14486002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14486002 = 2 ⋅7243001.

It can be written as a sum of positive squares in 2 ways, for example, as 12110400 + 7958041 = 3480^2 + 2821^2 .

It is a cyclic number.

It is not a de Polignac number, because 20068441 - 2⁵ = 20068409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20068471) 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 3 ways as a sum of consecutive naturals, for example, 6496 + ... + 9073.

It is an arithmetic number, because the mean of its divisors is an integer number (5021325).

Almost surely, 2^20068441 is an apocalyptic number.

It is an amenable number.

20068441 is a deficient number, since it is larger than the sum of its proper divisors (16859).

20068441 is a wasteful number, since it uses less digits than its factorization.

20068441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20068441 is about 4479.7813562718. The cubic root of 20068441 is about 271.7510382342.

The spelling of 20068441 in words is "twenty million, sixty-eight thousand, four hundred forty-one".