20000306 has 8 divisors (see below), whose sum is σ = 30019584. Its totient is φ = 9993780.

The previous prime is 20000303. The next prime is 20000311. The reversal of 20000306 is 60300002.

It is a happy number.

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 (20000303) 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, 3791 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (3752448).

Almost surely, 2^20000306 is an apocalyptic number.

20000306 is a deficient number, since it is larger than the sum of its proper divisors (10019278).

20000306 is a wasteful number, since it uses less digits than its factorization.

20000306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20000306 is about 4472.1701667088. The cubic root of 20000306 is about 271.4431460054.

Adding to 20000306 its reverse (60300002), we get a palindrome (80300308).

The spelling of 20000306 in words is "twenty million, three hundred six", and thus it is an aban number.