42002242424020 has 24 divisors (see below), whose sum is σ = 88208010916704. Its totient is φ = 16800268050336.

The previous prime is 42002242424003. The next prime is 42002242424057. The reversal of 42002242424020 is 2042424220024.

42002242424020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42002242424020² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42002242424020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38759634 + ... + 39828553.

It is an arithmetic number, because the mean of its divisors is an integer number (3675333788196).

Almost surely, 2^{42002242424020} is an apocalyptic number.

It is an amenable number.

42002242424020 is an abundant number, since it is smaller than the sum of its proper divisors (46205768492684).

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

42002242424020 is a wasteful number, since it uses less digits than its factorization.

42002242424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78614919 (or 78614917 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42002242424020 its reverse (2042424220024), we get a palindrome (44044666644044).

The spelling of 42002242424020 in words is "forty-two trillion, two billion, two hundred forty-two million, four hundred twenty-four thousand, twenty".