20627027 has 4 divisors (see below), whose sum is σ = 21712680. Its totient is φ = 19541376.

The previous prime is 20627011. The next prime is 20627029. The reversal of 20627027 is 72072602.

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 20627027 - 2⁴ = 20627011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20626987 and 20627005.

It is not an unprimeable number, because it can be changed into a prime (20627029) 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, 542798 + ... + 542835.

It is an arithmetic number, because the mean of its divisors is an integer number (5428170).

Almost surely, 2^20627027 is an apocalyptic number.

20627027 is a deficient number, since it is larger than the sum of its proper divisors (1085653).

20627027 is a wasteful number, since it uses less digits than its factorization.

20627027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085652.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20627027 is about 4541.6986910186. The cubic root of 20627027 is about 274.2493113297.

Adding to 20627027 its reverse (72072602), we get a palindrome (92699629).

The spelling of 20627027 in words is "twenty million, six hundred twenty-seven thousand, twenty-seven".