42020434112 has 56 divisors (see below), whose sum is σ = 84069113040. Its totient is φ = 20838343680.

The previous prime is 42020434111. The next prime is 42020434229. The reversal of 42020434112 is 21143402024.

It is not an unprimeable number, because it can be changed into a prime (42020434111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168214 + ... + 4178282.

Almost surely, 2^42020434112 is an apocalyptic number.

It is an amenable number.

42020434112 is an abundant number, since it is smaller than the sum of its proper divisors (42048678928).

42020434112 is a wasteful number, since it uses less digits than its factorization.

42020434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42020434112 its reverse (21143402024), we get a palindrome (63163836136).

The spelling of 42020434112 in words is "forty-two billion, twenty million, four hundred thirty-four thousand, one hundred twelve".