20020102100027 has 2 divisors, whose sum is σ = 20020102100028. Its totient is φ = 20020102100026.

The previous prime is 20020102099931. The next prime is 20020102100039. The reversal of 20020102100027 is 72000120102002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020102100027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020102099978 and 20020102100014.

It is not a weakly prime, because it can be changed into another prime (20020102100057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010051050013 + 10010051050014.

It is an arithmetic number, because the mean of its divisors is an integer number (10010051050014).

Almost surely, 2^{20020102100027} is an apocalyptic number.

20020102100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020102100027 is an equidigital number, since it uses as much as digits as its factorization.

20020102100027 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 20020102100027 its reverse (72000120102002), we get a palindrome (92020222202029).

The spelling of 20020102100027 in words is "twenty trillion, twenty billion, one hundred two million, one hundred thousand, twenty-seven".