2020244040 has 48 divisors (see below), whose sum is σ = 6565794300. Its totient is φ = 538731648.

The previous prime is 2020244021. The next prime is 2020244047. The reversal of 2020244040 is 404420202.

2020244040 is a `hidden beast` number, since 20 + 202 + 440 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2020142916 + 101124 = 44946^2 + 318^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2020244047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2805535 + ... + 2806254.

Almost surely, 2^2020244040 is an apocalyptic number.

2020244040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020244040 is an abundant number, since it is smaller than the sum of its proper divisors (4545550260).

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

2020244040 is a wasteful number, since it uses less digits than its factorization.

2020244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611806 (or 5611799 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2020244040 is about 44947.1249358621. The cubic root of 2020244040 is about 1264.1577691895.

Adding to 2020244040 its reverse (404420202), we get a palindrome (2424664242).

The spelling of 2020244040 in words is "two billion, twenty million, two hundred forty-four thousand, forty".