2000202161 has 2 divisors, whose sum is σ = 2000202162. Its totient is φ = 2000202160.

The previous prime is 2000202073. The next prime is 2000202227. The reversal of 2000202161 is 1612020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999878400 + 323761 = 44720^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000202161 - 2²² = 1996007857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2000202461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000101080 + 1000101081.

It is an arithmetic number, because the mean of its divisors is an integer number (1000101081).

Almost surely, 2^2000202161 is an apocalyptic number.

It is an amenable number.

2000202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000202161 is an equidigital number, since it uses as much as digits as its factorization.

2000202161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2000202161 is about 44723.6197215744. The cubic root of 2000202161 is about 1259.9634996145.

Adding to 2000202161 its reverse (1612020002), we get a palindrome (3612222163).

The spelling of 2000202161 in words is "two billion, two hundred two thousand, one hundred sixty-one".