4242042220 has 48 divisors (see below), whose sum is σ = 10098476640. Its totient is φ = 1483854336.

The previous prime is 4242042151. The next prime is 4242042241. The reversal of 4242042220 is 222402424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4242042191 and 4242042200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424417 + ... + 434296.

It is an arithmetic number, because the mean of its divisors is an integer number (210384930).

Almost surely, 2^4242042220 is an apocalyptic number.

It is an amenable number.

4242042220 is an abundant number, since it is smaller than the sum of its proper divisors (5856434420).

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

4242042220 is a wasteful number, since it uses less digits than its factorization.

4242042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858754 (or 858752 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4242042220 is about 65130.9620687427. The cubic root of 4242042220 is about 1618.7942839661.

Adding to 4242042220 its reverse (222402424), we get a palindrome (4464444644).

The spelling of 4242042220 in words is "four billion, two hundred forty-two million, forty-two thousand, two hundred twenty".