2020979 has 2 divisors, whose sum is σ = 2020980. Its totient is φ = 2020978.

The previous prime is 2020961. The next prime is 2020999. The reversal of 2020979 is 9790202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020979 - 2⁸ = 2020723 is a prime.

It is a super-2 number, since 2×2020979² = 8168712236882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010489 + 1010490.

It is an arithmetic number, because the mean of its divisors is an integer number (1010490).

2^2020979 is an apocalyptic number.

2020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020979 is an equidigital number, since it uses as much as digits as its factorization.

2020979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2020979 is about 1421.6114096334. The cubic root of 2020979 is about 126.4311049805.

The spelling of 2020979 in words is "two million, twenty thousand, nine hundred seventy-nine".