2020679 has 2 divisors, whose sum is σ = 2020680. Its totient is φ = 2020678.

The previous prime is 2020663. The next prime is 2020687. The reversal of 2020679 is 9760202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020679 - 2⁴ = 2020663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010339 + 1010340.

It is an arithmetic number, because the mean of its divisors is an integer number (1010340).

2^2020679 is an apocalyptic number.

2020679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020679 is an equidigital number, since it uses as much as digits as its factorization.

2020679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2020679 is about 1421.5058916515. The cubic root of 2020679 is about 126.4248487373.

The spelling of 2020679 in words is "two million, twenty thousand, six hundred seventy-nine".