20117627 has 2 divisors, whose sum is σ = 20117628. Its totient is φ = 20117626.

The previous prime is 20117611. The next prime is 20117693. The reversal of 20117627 is 72671102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20117627 - 2⁴ = 20117611 is a prime.

It is a super-2 number, since 2×20117627² = 809437832222258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20117596 and 20117605.

It is not a weakly prime, because it can be changed into another prime (20117527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058813 + 10058814.

It is an arithmetic number, because the mean of its divisors is an integer number (10058814).

Almost surely, 2^20117627 is an apocalyptic number.

20117627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20117627 is an equidigital number, since it uses as much as digits as its factorization.

20117627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 20117627 is about 4485.2677735003. The cubic root of 20117627 is about 271.9728698070.

Adding to 20117627 its reverse (72671102), we get a palindrome (92788729).

The spelling of 20117627 in words is "twenty million, one hundred seventeen thousand, six hundred twenty-seven".