20344089 has 8 divisors (see below), whose sum is σ = 27324000. Its totient is φ = 13463456.

The previous prime is 20344073. The next prime is 20344097. The reversal of 20344089 is 98044302.

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 20344089 - 2⁴ = 20344073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20344039) 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 7 ways as a sum of consecutive naturals, for example, 24339 + ... + 25160.

It is an arithmetic number, because the mean of its divisors is an integer number (3415500).

Almost surely, 2^20344089 is an apocalyptic number.

It is an amenable number.

20344089 is a deficient number, since it is larger than the sum of its proper divisors (6979911).

20344089 is a wasteful number, since it uses less digits than its factorization.

20344089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49639.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20344089 is about 4510.4422177875. The cubic root of 20344089 is about 272.9895875485.

The spelling of 20344089 in words is "twenty million, three hundred forty-four thousand, eighty-nine".