42020340202 has 8 divisors (see below), whose sum is σ = 64496336256. Its totient is φ = 20521561452.

The previous prime is 42020340181. The next prime is 42020340209. The reversal of 42020340202 is 20204302024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42020340202.

It is not an unprimeable number, because it can be changed into a prime (42020340209) 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 3 ways as a sum of consecutive naturals, for example, 244304218 + ... + 244304389.

It is an arithmetic number, because the mean of its divisors is an integer number (8062042032).

Almost surely, 2^42020340202 is an apocalyptic number.

42020340202 is a deficient number, since it is larger than the sum of its proper divisors (22475996054).

42020340202 is a wasteful number, since it uses less digits than its factorization.

42020340202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488608652.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 42020340202 its reverse (20204302024), we get a palindrome (62224642226).

The spelling of 42020340202 in words is "forty-two billion, twenty million, three hundred forty thousand, two hundred two".