20304483 has 8 divisors (see below), whose sum is σ = 28497600. Its totient is φ = 12823848.

The previous prime is 20304481. The next prime is 20304497. The reversal of 20304483 is 38440302.

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

It is not a de Polignac number, because 20304483 - 2¹ = 20304481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20304481) 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, 178053 + ... + 178166.

It is an arithmetic number, because the mean of its divisors is an integer number (3562200).

Almost surely, 2^20304483 is an apocalyptic number.

20304483 is a deficient number, since it is larger than the sum of its proper divisors (8193117).

20304483 is a wasteful number, since it uses less digits than its factorization.

20304483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356241.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20304483 is about 4506.0496002596. The cubic root of 20304483 is about 272.8123198499.

Adding to 20304483 its reverse (38440302), we get a palindrome (58744785).

The spelling of 20304483 in words is "twenty million, three hundred four thousand, four hundred eighty-three".