2042440220 has 12 divisors (see below), whose sum is σ = 4289124504. Its totient is φ = 816976080.

The previous prime is 2042440201. The next prime is 2042440223. The reversal of 2042440220 is 220442402.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 102122011 = 2042440220 / (2 + 0 + 4 + 2 + 4 + 4 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2042440192 and 2042440201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042440223) by changing a digit.

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, 51060986 + ... + 51061025.

It is an arithmetic number, because the mean of its divisors is an integer number (357427042).

Almost surely, 2^2042440220 is an apocalyptic number.

2042440220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042440220 is an abundant number, since it is smaller than the sum of its proper divisors (2246684284).

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

2042440220 is a wasteful number, since it uses less digits than its factorization.

2042440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102122020 (or 102122018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2042440220 is about 45193.3647784716. The cubic root of 2042440220 is about 1268.7706333610.

Adding to 2042440220 its reverse (220442402), we get a palindrome (2262882622).

The spelling of 2042440220 in words is "two billion, forty-two million, four hundred forty thousand, two hundred twenty".