20201140027 has 2 divisors, whose sum is σ = 20201140028. Its totient is φ = 20201140026.

The previous prime is 20201139943. The next prime is 20201140031. The reversal of 20201140027 is 72004110202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201140027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201139986 and 20201140013.

It is not a weakly prime, because it can be changed into another prime (20201140067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100570013 + 10100570014.

It is an arithmetic number, because the mean of its divisors is an integer number (10100570014).

Almost surely, 2^20201140027 is an apocalyptic number.

20201140027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201140027 is an equidigital number, since it uses as much as digits as its factorization.

20201140027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20201140027 its reverse (72004110202), we get a palindrome (92205250229).

The spelling of 20201140027 in words is "twenty billion, two hundred one million, one hundred forty thousand, twenty-seven".