42020100143 has 4 divisors (see below), whose sum is σ = 48022971600. Its totient is φ = 36017228688.

The previous prime is 42020100139. The next prime is 42020100169. The reversal of 42020100143 is 34100102024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42020100143 - 2² = 42020100139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020100443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3001435718 + ... + 3001435731.

It is an arithmetic number, because the mean of its divisors is an integer number (12005742900).

Almost surely, 2^42020100143 is an apocalyptic number.

42020100143 is a deficient number, since it is larger than the sum of its proper divisors (6002871457).

42020100143 is an equidigital number, since it uses as much as digits as its factorization.

42020100143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002871456.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42020100143 its reverse (34100102024), we get a palindrome (76120202167).

The spelling of 42020100143 in words is "forty-two billion, twenty million, one hundred thousand, one hundred forty-three".