2042203442 has 12 divisors (see below), whose sum is σ = 3202284750. Its totient is φ = 976705488.

The previous prime is 2042203441. The next prime is 2042203447. The reversal of 2042203442 is 2443022402.

It can be written as a sum of positive squares in only one way, i.e., 1577757841 + 464445601 = 39721^2 + 21551^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (2042203441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 964067 + ... + 966182.

Almost surely, 2^2042203442 is an apocalyptic number.

2042203442 is a deficient number, since it is larger than the sum of its proper divisors (1160081308).

2042203442 is a wasteful number, since it uses less digits than its factorization.

2042203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930297 (or 1930274 counting only the distinct ones).

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

The square root of 2042203442 is about 45190.7450923306. The cubic root of 2042203442 is about 1268.7216023735.

Adding to 2042203442 its reverse (2443022402), we get a palindrome (4485225844).

The spelling of 2042203442 in words is "two billion, forty-two million, two hundred three thousand, four hundred forty-two".