20210020027 has 2 divisors, whose sum is σ = 20210020028. Its totient is φ = 20210020026.

The previous prime is 20210020021. The next prime is 20210020043. The reversal of 20210020027 is 72002001202.

It is an a-pointer prime, because the next prime (20210020043) can be obtained adding 20210020027 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210020027 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105010013 + 10105010014.

It is an arithmetic number, because the mean of its divisors is an integer number (10105010014).

Almost surely, 2^20210020027 is an apocalyptic number.

20210020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210020027 is an equidigital number, since it uses as much as digits as its factorization.

20210020027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 20210020027 its reverse (72002001202), we get a palindrome (92212021229).

The spelling of 20210020027 in words is "twenty billion, two hundred ten million, twenty thousand, twenty-seven".