2020605659 has 2 divisors, whose sum is σ = 2020605660. Its totient is φ = 2020605658.

The previous prime is 2020605607. The next prime is 2020605667. The reversal of 2020605659 is 9565060202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020605659 - 2¹² = 2020601563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020605679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010302829 + 1010302830.

It is an arithmetic number, because the mean of its divisors is an integer number (1010302830).

Almost surely, 2^2020605659 is an apocalyptic number.

2020605659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020605659 is an equidigital number, since it uses as much as digits as its factorization.

2020605659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2020605659 is about 44951.1474714495. The cubic root of 2020605659 is about 1264.2331917929.

The spelling of 2020605659 in words is "two billion, twenty million, six hundred five thousand, six hundred fifty-nine".