1020442012 has 24 divisors (see below), whose sum is σ = 1881524736. Its totient is φ = 483294768.

The previous prime is 1020442009. The next prime is 1020442039. The reversal of 1020442012 is 2102440201.

It is a congruent number.

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, 44368 + ... + 63319.

It is an arithmetic number, because the mean of its divisors is an integer number (78396864).

Almost surely, 2^1020442012 is an apocalyptic number.

It is an amenable number.

1020442012 is a deficient number, since it is larger than the sum of its proper divisors (861082724).

1020442012 is a wasteful number, since it uses less digits than its factorization.

1020442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107817 (or 107815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1020442012 is about 31944.3580621054. The cubic root of 1020442012 is about 1006.7680935672.

Adding to 1020442012 its reverse (2102440201), we get a palindrome (3122882213).

The spelling of 1020442012 in words is "one billion, twenty million, four hundred forty-two thousand, twelve".