42420130202 has 16 divisors (see below), whose sum is σ = 66075066792. Its totient is φ = 20409281280.

The previous prime is 42420130187. The next prime is 42420130241. The reversal of 42420130202 is 20203102424.

It can be written as a sum of positive squares in 4 ways, for example, as 19965407401 + 22454722801 = 141299^2 + 149849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3537293 + ... + 3549264.

Almost surely, 2^42420130202 is an apocalyptic number.

42420130202 is a deficient number, since it is larger than the sum of its proper divisors (23654936590).

42420130202 is a wasteful number, since it uses less digits than its factorization.

42420130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086673.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42420130202 its reverse (20203102424), we get a palindrome (62623232626).

The spelling of 42420130202 in words is "forty-two billion, four hundred twenty million, one hundred thirty thousand, two hundred two".