42041420203 has 4 divisors (see below), whose sum is σ = 42048371808. Its totient is φ = 42034468600.

The previous prime is 42041420171. The next prime is 42041420231. The reversal of 42041420203 is 30202414024.

It is a happy number.

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 42041420203 - 2⁵ = 42041420171 is a prime.

It is a super-2 number, since 2×42041420203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42041420243) 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, 3466723 + ... + 3478828.

It is an arithmetic number, because the mean of its divisors is an integer number (10512092952).

Almost surely, 2^42041420203 is an apocalyptic number.

42041420203 is a deficient number, since it is larger than the sum of its proper divisors (6951605).

42041420203 is an equidigital number, since it uses as much as digits as its factorization.

42041420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951604.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42041420203 its reverse (30202414024), we get a palindrome (72243834227).

The spelling of 42041420203 in words is "forty-two billion, forty-one million, four hundred twenty thousand, two hundred three".