20344306 has 8 divisors (see below), whose sum is σ = 30548700. Its totient is φ = 10161408.

The previous prime is 20344273. The next prime is 20344309. The reversal of 20344306 is 60344302.

It can be written as a sum of positive squares in 2 ways, for example, as 20331081 + 13225 = 4509^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20344309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751 + ... + 6946.

Almost surely, 2^20344306 is an apocalyptic number.

20344306 is a deficient number, since it is larger than the sum of its proper divisors (10204394).

20344306 is a wasteful number, since it uses less digits than its factorization.

20344306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 20344306 is about 4510.4662730144. The cubic root of 20344306 is about 272.9905581585.

Adding to 20344306 its reverse (60344302), we get a palindrome (80688608).

The spelling of 20344306 in words is "twenty million, three hundred forty-four thousand, three hundred six".