2000846021 has 2 divisors, whose sum is σ = 2000846022. Its totient is φ = 2000846020.

The previous prime is 2000846009. The next prime is 2000846047. The reversal of 2000846021 is 1206480002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278849121 + 721996900 = 35761^2 + 26870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000846021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000846321) 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, 1000423010 + 1000423011.

It is an arithmetic number, because the mean of its divisors is an integer number (1000423011).

Almost surely, 2^2000846021 is an apocalyptic number.

It is an amenable number.

2000846021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000846021 is an equidigital number, since it uses as much as digits as its factorization.

2000846021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2000846021 is about 44730.8173522461. The cubic root of 2000846021 is about 1260.0986781288.

The spelling of 2000846021 in words is "two billion, eight hundred forty-six thousand, twenty-one".