42020442124 has 12 divisors (see below), whose sum is σ = 73555690264. Its totient is φ = 21004530624.

The previous prime is 42020442109. The next prime is 42020442151. The reversal of 42020442124 is 42124402024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405974 + ... + 1435549.

Almost surely, 2^42020442124 is an apocalyptic number.

It is an amenable number.

42020442124 is a deficient number, since it is larger than the sum of its proper divisors (31535248140).

42020442124 is a wasteful number, since it uses less digits than its factorization.

42020442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845224 (or 2845222 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 42020442124 its reverse (42124402024), we get a palindrome (84144844148).

The spelling of 42020442124 in words is "forty-two billion, twenty million, four hundred forty-two thousand, one hundred twenty-four".