2020445503 has 8 divisors (see below), whose sum is σ = 2127384320. Its totient is φ = 1913566680.

The previous prime is 2020445443. The next prime is 2020445521. The reversal of 2020445503 is 3055440202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020445503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020445543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65176 + ... + 91042.

It is an arithmetic number, because the mean of its divisors is an integer number (265923040).

Almost surely, 2^2020445503 is an apocalyptic number.

2020445503 is a deficient number, since it is larger than the sum of its proper divisors (106938817).

2020445503 is a wasteful number, since it uses less digits than its factorization.

2020445503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29997.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2020445503 is about 44949.3659910793. The cubic root of 2020445503 is about 1264.1997892865.

Adding to 2020445503 its reverse (3055440202), we get a palindrome (5075885705).

The spelling of 2020445503 in words is "two billion, twenty million, four hundred forty-five thousand, five hundred three".