42020442203 has 4 divisors (see below), whose sum is σ = 42046366368. Its totient is φ = 41994518040.

The previous prime is 42020442179. The next prime is 42020442221. The reversal of 42020442203 is 30224402024.

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

It is a cyclic number.

It is not a de Polignac number, because 42020442203 - 2¹⁰ = 42020441179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020442263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12959651 + ... + 12962892.

It is an arithmetic number, because the mean of its divisors is an integer number (10511591592).

Almost surely, 2^42020442203 is an apocalyptic number.

42020442203 is a deficient number, since it is larger than the sum of its proper divisors (25924165).

42020442203 is a wasteful number, since it uses less digits than its factorization.

42020442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25924164.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 42020442203 its reverse (30224402024), we get a palindrome (72244844227).

The spelling of 42020442203 in words is "forty-two billion, twenty million, four hundred forty-two thousand, two hundred three".