20627163 has 16 divisors (see below), whose sum is σ = 30640000. Its totient is φ = 13714920.

The previous prime is 20627153. The next prime is 20627197. The reversal of 20627163 is 36172602.

It is a happy number.

20627163 is a `hidden beast` number, since 20 + 627 + 16 + 3 = 666.

It is not a de Polignac number, because 20627163 - 2¹² = 20623067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20627153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12708 + ... + 14238.

It is an arithmetic number, because the mean of its divisors is an integer number (1915000).

Almost surely, 2^20627163 is an apocalyptic number.

20627163 is a deficient number, since it is larger than the sum of its proper divisors (10012837).

20627163 is a wasteful number, since it uses less digits than its factorization.

20627163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20627163 is about 4541.7136633654. The cubic root of 20627163 is about 274.2499140635.

Adding to 20627163 its reverse (36172602), we get a palindrome (56799765).

The spelling of 20627163 in words is "twenty million, six hundred twenty-seven thousand, one hundred sixty-three".