201020100020027 has 2 divisors, whose sum is σ = 201020100020028. Its totient is φ = 201020100020026.

The previous prime is 201020100019987. The next prime is 201020100020053. The reversal of 201020100020027 is 720020001020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201020100020027 - 2²² = 201020095825723 is a prime.

It is a super-2 number, since 2×201020100020027² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201020100019987 and 201020100020014.

It is not a weakly prime, because it can be changed into another prime (201020100026027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510050010013 + 100510050010014.

It is an arithmetic number, because the mean of its divisors is an integer number (100510050010014).

Almost surely, 2^{201020100020027} is an apocalyptic number.

201020100020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020100020027 is an equidigital number, since it uses as much as digits as its factorization.

201020100020027 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 17.

Adding to 201020100020027 its reverse (720020001020102), we get a palindrome (921040101040129).

The spelling of 201020100020027 in words is "two hundred one trillion, twenty billion, one hundred million, twenty thousand, twenty-seven".