42020220444 has 48 divisors (see below), whose sum is σ = 100266163200. Its totient is φ = 13691695680.

The previous prime is 42020220443. The next prime is 42020220449. The reversal of 42020220444 is 44402202024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020220443) 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 15 ways as a sum of consecutive naturals, for example, 50457 + ... + 294255.

It is an arithmetic number, because the mean of its divisors is an integer number (2088878400).

Almost surely, 2^42020220444 is an apocalyptic number.

It is an amenable number.

42020220444 is an abundant number, since it is smaller than the sum of its proper divisors (58245942756).

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

42020220444 is a wasteful number, since it uses less digits than its factorization.

42020220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244130 (or 244128 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42020220444 its reverse (44402202024), we get a palindrome (86422422468).

The spelling of 42020220444 in words is "forty-two billion, twenty million, two hundred twenty thousand, four hundred forty-four".