201020120002147 has 2 divisors, whose sum is σ = 201020120002148. Its totient is φ = 201020120002146.

The previous prime is 201020120002133. The next prime is 201020120002181. The reversal of 201020120002147 is 741200021020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201020120002147 - 2¹⁵ = 201020119969379 is a prime.

It is not a weakly prime, because it can be changed into another prime (201020120002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510060001073 + 100510060001074.

It is an arithmetic number, because the mean of its divisors is an integer number (100510060001074).

Almost surely, 2^{201020120002147} is an apocalyptic number.

201020120002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020120002147 is an equidigital number, since it uses as much as digits as its factorization.

201020120002147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 201020120002147 its reverse (741200021020102), we get a palindrome (942220141022249).

The spelling of 201020120002147 in words is "two hundred one trillion, twenty billion, one hundred twenty million, two thousand, one hundred forty-seven".