1020002444 has 6 divisors (see below), whose sum is σ = 1785004284. Its totient is φ = 510001220.

The previous prime is 1020002419. The next prime is 1020002449. The reversal of 1020002444 is 4442000201.

It is not an unprimeable number, because it can be changed into a prime (1020002449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127500302 + ... + 127500309.

It is an arithmetic number, because the mean of its divisors is an integer number (297500714).

Almost surely, 2^1020002444 is an apocalyptic number.

It is an amenable number.

1020002444 is a deficient number, since it is larger than the sum of its proper divisors (765001840).

1020002444 is a wasteful number, since it uses less digits than its factorization.

1020002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255000615 (or 255000613 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1020002444 is about 31937.4771076239. The cubic root of 1020002444 is about 1006.6235135418.

Adding to 1020002444 its reverse (4442000201), we get a palindrome (5462002645).

The spelling of 1020002444 in words is "one billion, twenty million, two thousand, four hundred forty-four".