2020311659 has 4 divisors (see below), whose sum is σ = 2043011880. Its totient is φ = 1997611440.

The previous prime is 2020311653. The next prime is 2020311673. The reversal of 2020311659 is 9561130202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020311659 - 2²⁰ = 2019263083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020311653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11349977 + ... + 11350154.

It is an arithmetic number, because the mean of its divisors is an integer number (510752970).

Almost surely, 2^2020311659 is an apocalyptic number.

2020311659 is a deficient number, since it is larger than the sum of its proper divisors (22700221).

2020311659 is an equidigital number, since it uses as much as digits as its factorization.

2020311659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22700220.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2020311659 is about 44947.8771356334. The cubic root of 2020311659 is about 1264.1718731177.

The spelling of 2020311659 in words is "two billion, twenty million, three hundred eleven thousand, six hundred fifty-nine".