20750027 has 2 divisors, whose sum is σ = 20750028. Its totient is φ = 20750026.

The previous prime is 20750017. The next prime is 20750069. The reversal of 20750027 is 72005702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20750027 - 2⁴ = 20750011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20749984 and 20750011.

It is not a weakly prime, because it can be changed into another prime (20750017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375013 + 10375014.

It is an arithmetic number, because the mean of its divisors is an integer number (10375014).

Almost surely, 2^20750027 is an apocalyptic number.

20750027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20750027 is an equidigital number, since it uses as much as digits as its factorization.

20750027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20750027 is about 4555.2197532062. The cubic root of 20750027 is about 274.7933521921.

Adding to 20750027 its reverse (72005702), we get a palindrome (92755729).

The spelling of 20750027 in words is "twenty million, seven hundred fifty thousand, twenty-seven".