2020045544 has 16 divisors (see below), whose sum is σ = 4131911520. Its totient is φ = 918202480.

The previous prime is 2020045537. The next prime is 2020045589. The reversal of 2020045544 is 4455400202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11477444 + ... + 11477619.

It is an arithmetic number, because the mean of its divisors is an integer number (258244470).

Almost surely, 2^2020045544 is an apocalyptic number.

It is an amenable number.

2020045544 is an abundant number, since it is smaller than the sum of its proper divisors (2111865976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020045544 is a wasteful number, since it uses less digits than its factorization.

2020045544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22955080 (or 22955076 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2020045544 is about 44944.9167759826. The cubic root of 2020045544 is about 1264.1163652016.

Adding to 2020045544 its reverse (4455400202), we get a palindrome (6475445746).

The spelling of 2020045544 in words is "two billion, twenty million, forty-five thousand, five hundred forty-four".