1020442442 has 16 divisors (see below), whose sum is σ = 1621415880. Its totient is φ = 479996928.

The previous prime is 1020442411. The next prime is 1020442453. The reversal of 1020442442 is 2442440201.

It can be written as a sum of positive squares in 4 ways, for example, as 898140961 + 122301481 = 29969^2 + 11059^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94034 + ... + 104322.

Almost surely, 2^1020442442 is an apocalyptic number.

1020442442 is a deficient number, since it is larger than the sum of its proper divisors (600973438).

1020442442 is a wasteful number, since it uses less digits than its factorization.

1020442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1020442442 is about 31944.3647925577. The cubic root of 1020442442 is about 1006.7682349799.

Adding to 1020442442 its reverse (2442440201), we get a palindrome (3462882643).

The spelling of 1020442442 in words is "one billion, twenty million, four hundred forty-two thousand, four hundred forty-two".