20004627 has 4 divisors (see below), whose sum is σ = 26672840. Its totient is φ = 13336416.

The previous prime is 20004583. The next prime is 20004667. The reversal of 20004627 is 72640002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20004627 - 2¹¹ = 20002579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004667) 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 3 ways as a sum of consecutive naturals, for example, 3334102 + ... + 3334107.

It is an arithmetic number, because the mean of its divisors is an integer number (6668210).

Almost surely, 2^20004627 is an apocalyptic number.

20004627 is a deficient number, since it is larger than the sum of its proper divisors (6668213).

20004627 is an equidigital number, since it uses as much as digits as its factorization.

20004627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668212.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20004627 is about 4472.6532394095. The cubic root of 20004627 is about 271.4626927293.

Adding to 20004627 its reverse (72640002), we get a palindrome (92644629).

The spelling of 20004627 in words is "twenty million, four thousand, six hundred twenty-seven".