20066441 has 8 divisors (see below), whose sum is σ = 20305824. Its totient is φ = 19828800.

The previous prime is 20066429. The next prime is 20066447. The reversal of 20066441 is 14466002.

It is a happy number.

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 20066441 - 2¹⁰ = 20065417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20066447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49841 + ... + 50241.

It is an arithmetic number, because the mean of its divisors is an integer number (2538228).

Almost surely, 2^20066441 is an apocalyptic number.

It is an amenable number.

20066441 is a deficient number, since it is larger than the sum of its proper divisors (239383).

20066441 is a wasteful number, since it uses less digits than its factorization.

20066441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20066441 is about 4479.5581255298. The cubic root of 20066441 is about 271.7420104588.

The spelling of 20066441 in words is "twenty million, sixty-six thousand, four hundred forty-one".