20701027 has 2 divisors, whose sum is σ = 20701028. Its totient is φ = 20701026.

The previous prime is 20701001. The next prime is 20701033. The reversal of 20701027 is 72010702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20701027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20700995 and 20701013.

It is not a weakly prime, because it can be changed into another prime (20701097) 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 as a sum of consecutive naturals, namely, 10350513 + 10350514.

It is an arithmetic number, because the mean of its divisors is an integer number (10350514).

Almost surely, 2^20701027 is an apocalyptic number.

20701027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20701027 is an equidigital number, since it uses as much as digits as its factorization.

20701027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 20701027 is about 4549.8381289888. The cubic root of 20701027 is about 274.5768787866.

Adding to 20701027 its reverse (72010702), we get a palindrome (92711729).

The spelling of 20701027 in words is "twenty million, seven hundred one thousand, twenty-seven".