42020442430 has 16 divisors (see below), whose sum is σ = 75673497024. Its totient is φ = 16800021280.

The previous prime is 42020442377. The next prime is 42020442439. The reversal of 42020442430 is 3424402024.

It is a junction number, because it is equal to n+sod(n) for n = 42020442395 and 42020442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020442439) 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 7 ways as a sum of consecutive naturals, for example, 997801 + ... + 1039060.

It is an arithmetic number, because the mean of its divisors is an integer number (4729593564).

Almost surely, 2^42020442430 is an apocalyptic number.

42020442430 is a deficient number, since it is larger than the sum of its proper divisors (33653054594).

42020442430 is a wasteful number, since it uses less digits than its factorization.

42020442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038931.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42020442430 its reverse (3424402024), we get a palindrome (45444844454).

The spelling of 42020442430 in words is "forty-two billion, twenty million, four hundred forty-two thousand, four hundred thirty".