2020664003 has 4 divisors (see below), whose sum is σ = 2127014760. Its totient is φ = 1914313248.

The previous prime is 2020663999. The next prime is 2020664021. The reversal of 2020664003 is 3004660202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3004660202 = 2 ⋅1502330101.

It is a cyclic number.

It is not a de Polignac number, because 2020664003 - 2² = 2020663999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020664003.

It is not an unprimeable number, because it can be changed into a prime (2020664053) 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, 53175350 + ... + 53175387.

It is an arithmetic number, because the mean of its divisors is an integer number (531753690).

Almost surely, 2^2020664003 is an apocalyptic number.

2020664003 is a deficient number, since it is larger than the sum of its proper divisors (106350757).

2020664003 is a wasteful number, since it uses less digits than its factorization.

2020664003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106350756.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2020664003 is about 44951.7964379623. The cubic root of 2020664003 is about 1264.2453597141.

The spelling of 2020664003 in words is "two billion, twenty million, six hundred sixty-four thousand, three".