42011134220 has 48 divisors (see below), whose sum is σ = 98844889248. Its totient is φ = 14863887360.

The previous prime is 42011134189. The next prime is 42011134271. The reversal of 42011134220 is 2243111024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42011134192 and 42011134201.

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 15 ways as a sum of consecutive naturals, for example, 2572397 + ... + 2588676.

It is an arithmetic number, because the mean of its divisors is an integer number (2059268526).

Almost surely, 2^42011134220 is an apocalyptic number.

It is an amenable number.

42011134220 is an abundant number, since it is smaller than the sum of its proper divisors (56833755028).

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

42011134220 is a wasteful number, since it uses less digits than its factorization.

42011134220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161130 (or 5161128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42011134220 its reverse (2243111024), we get a palindrome (44254245244).

The spelling of 42011134220 in words is "forty-two billion, eleven million, one hundred thirty-four thousand, two hundred twenty".