20006627 has 4 divisors (see below), whose sum is σ = 20023416. Its totient is φ = 19989840.

The previous prime is 20006621. The next prime is 20006641. The reversal of 20006627 is 72660002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20006627 - 2⁴ = 20006611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006621) 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, 6458 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (5005854).

Almost surely, 2^20006627 is an apocalyptic number.

20006627 is a deficient number, since it is larger than the sum of its proper divisors (16789).

20006627 is a wasteful number, since it uses less digits than its factorization.

20006627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20006627 is about 4472.8768147580. The cubic root of 20006627 is about 271.4717390913.

Adding to 20006627 its reverse (72660002), we get a palindrome (92666629).

The spelling of 20006627 in words is "twenty million, six thousand, six hundred twenty-seven".