2020709679899 has 2 divisors, whose sum is σ = 2020709679900. Its totient is φ = 2020709679898.

The previous prime is 2020709679841. The next prime is 2020709679949. The reversal of 2020709679899 is 9989769070202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020709679899 - 2⁸ = 2020709679643 is a prime.

It is a super-2 number, since 2×2020709679899² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2020709679809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010354839949 + 1010354839950.

It is an arithmetic number, because the mean of its divisors is an integer number (1010354839950).

Almost surely, 2^{2020709679899} is an apocalyptic number.

2020709679899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020709679899 is an equidigital number, since it uses as much as digits as its factorization.

2020709679899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61725888, while the sum is 68.

The spelling of 2020709679899 in words is "two trillion, twenty billion, seven hundred nine million, six hundred seventy-nine thousand, eight hundred ninety-nine".