42020424220143 has 16 divisors (see below), whose sum is σ = 56807220566016. Its totient is φ = 27623790820800.

The previous prime is 42020424220067. The next prime is 42020424220169. The reversal of 42020424220143 is 34102242402024.

It is a happy number.

It is not a de Polignac number, because 42020424220143 - 2¹⁰ = 42020424219119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42020424220143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020424224143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20103183 + ... + 22094768.

It is an arithmetic number, because the mean of its divisors is an integer number (3550451285376).

Almost surely, 2^{42020424220143} is an apocalyptic number.

42020424220143 is a deficient number, since it is larger than the sum of its proper divisors (14786796345873).

42020424220143 is a wasteful number, since it uses less digits than its factorization.

42020424220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42202574.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42020424220143 its reverse (34102242402024), we get a palindrome (76122666622167).

The spelling of 42020424220143 in words is "forty-two trillion, twenty billion, four hundred twenty-four million, two hundred twenty thousand, one hundred forty-three".