20860027 has 2 divisors, whose sum is σ = 20860028. Its totient is φ = 20860026.

The previous prime is 20860001. The next prime is 20860033. The reversal of 20860027 is 72006802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20860027 is a prime.

It is equal to p_1321648 and since 20860027 and 1321648 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 20859983 and 20860010.

It is not a weakly prime, because it can be changed into another prime (20860067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10430013 + 10430014.

It is an arithmetic number, because the mean of its divisors is an integer number (10430014).

Almost surely, 2^20860027 is an apocalyptic number.

20860027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20860027 is an equidigital number, since it uses as much as digits as its factorization.

20860027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 20860027 is about 4567.2778544774. The cubic root of 20860027 is about 275.2780746444.

Adding to 20860027 its reverse (72006802), we get a palindrome (92866829).

The spelling of 20860027 in words is "twenty million, eight hundred sixty thousand, twenty-seven".