2020440445503 has 16 divisors (see below), whose sum is σ = 2811107696640. Its totient is φ = 1288369250784.

The previous prime is 2020440445501. The next prime is 2020440445553. The reversal of 2020440445503 is 3055440440202.

It is not a de Polignac number, because 2020440445503 - 2¹ = 2020440445501 is a prime.

It is a super-2 number, since 2×2020440445503² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020440445501) 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 in 15 ways as a sum of consecutive naturals, for example, 3223938 + ... + 3799296.

It is an arithmetic number, because the mean of its divisors is an integer number (175694231040).

Almost surely, 2^{2020440445503} is an apocalyptic number.

2020440445503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2020440445503 is a deficient number, since it is larger than the sum of its proper divisors (790667251137).

2020440445503 is a wasteful number, since it uses less digits than its factorization.

2020440445503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626278.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 2020440445503 its reverse (3055440440202), we get a palindrome (5075880885705).

The spelling of 2020440445503 in words is "two trillion, twenty billion, four hundred forty million, four hundred forty-five thousand, five hundred three".