2042415220 has 12 divisors (see below), whose sum is σ = 4289072004. Its totient is φ = 816966080.

The previous prime is 2042415211. The next prime is 2042415227. The reversal of 2042415220 is 225142402.

It can be written as a sum of positive squares in 2 ways, for example, as 808719844 + 1233695376 = 28438^2 + 35124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2042415191 and 2042415200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042415227) 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, 51060361 + ... + 51060400.

It is an arithmetic number, because the mean of its divisors is an integer number (357422667).

Almost surely, 2^2042415220 is an apocalyptic number.

2042415220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042415220 is an abundant number, since it is smaller than the sum of its proper divisors (2246656784).

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

2042415220 is a wasteful number, since it uses less digits than its factorization.

2042415220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102120770 (or 102120768 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2042415220 is about 45193.0881883502. The cubic root of 2042415220 is about 1268.7654566456.

Adding to 2042415220 its reverse (225142402), we get a palindrome (2267557622).

The spelling of 2042415220 in words is "two billion, forty-two million, four hundred fifteen thousand, two hundred twenty".