2020544000 has 160 divisors (see below), whose sum is σ = 5097879072. Its totient is φ = 798720000.

The previous prime is 2020543981. The next prime is 2020544003. The reversal of 2020544000 is 4450202.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 2020544000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020544003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8383880 + ... + 8384120.

Almost surely, 2^2020544000 is an apocalyptic number.

2020544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548939536).

2020544000 is an abundant number, since it is smaller than the sum of its proper divisors (3077335072).

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

2020544000 is an equidigital number, since it uses as much as digits as its factorization.

2020544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2020544000 is about 44950.4616216563. The cubic root of 2020544000 is about 1264.2203322580.

Adding to 2020544000 its reverse (4450202), we get a palindrome (2024994202).

The spelling of 2020544000 in words is "two billion, twenty million, five hundred forty-four thousand".