20244005 has 8 divisors (see below), whose sum is σ = 24429600. Its totient is φ = 16104016.

The previous prime is 20243989. The next prime is 20244041. The reversal of 20244005 is 50044202.

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 20244005 - 2⁴ = 20243989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10415 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (3053700).

Almost surely, 2^20244005 is an apocalyptic number.

It is an amenable number.

20244005 is a deficient number, since it is larger than the sum of its proper divisors (4185595).

20244005 is a wasteful number, since it uses less digits than its factorization.

20244005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22803.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 20244005 is about 4499.3338395811. Note that the first 3 decimals coincide. The cubic root of 20244005 is about 272.5411883985.

Adding to 20244005 its reverse (50044202), we get a palindrome (70288207).

The spelling of 20244005 in words is "twenty million, two hundred forty-four thousand, five".