42420201203 has 4 divisors (see below), whose sum is σ = 42427030680. Its totient is φ = 42413371728.

The previous prime is 42420201181. The next prime is 42420201209. The reversal of 42420201203 is 30210202424.

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 42420201203 - 2¹⁸ = 42419939059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42420201209) 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, 3405413 + ... + 3417846.

It is an arithmetic number, because the mean of its divisors is an integer number (10606757670).

Almost surely, 2^42420201203 is an apocalyptic number.

42420201203 is a deficient number, since it is larger than the sum of its proper divisors (6829477).

42420201203 is an equidigital number, since it uses as much as digits as its factorization.

42420201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829476.

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

Adding to 42420201203 its reverse (30210202424), we get a palindrome (72630403627).

The spelling of 42420201203 in words is "forty-two billion, four hundred twenty million, two hundred one thousand, two hundred three".