20101202027 has 2 divisors, whose sum is σ = 20101202028. Its totient is φ = 20101202026.

The previous prime is 20101202021. The next prime is 20101202053. The reversal of 20101202027 is 72020210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101202027 - 2²⁸ = 19832766571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20101201996 and 20101202014.

It is not a weakly prime, because it can be changed into another prime (20101202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050601013 + 10050601014.

It is an arithmetic number, because the mean of its divisors is an integer number (10050601014).

Almost surely, 2^20101202027 is an apocalyptic number.

20101202027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101202027 is an equidigital number, since it uses as much as digits as its factorization.

20101202027 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 20101202027 its reverse (72020210102), we get a palindrome (92121412129).

The spelling of 20101202027 in words is "twenty billion, one hundred one million, two hundred two thousand, twenty-seven".