1020818323828 has 6 divisors (see below), whose sum is σ = 1786432066706. Its totient is φ = 510409161912.

The previous prime is 1020818323813. The next prime is 1020818323871. The reversal of 1020818323828 is 8283238180201.

It can be written as a sum of positive squares in only one way, i.e., 702844136164 + 317974187664 = 838358^2 + 563892^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127602290475 + ... + 127602290482.

Almost surely, 2^{1020818323828} is an apocalyptic number.

It is an amenable number.

1020818323828 is a deficient number, since it is larger than the sum of its proper divisors (765613742878).

1020818323828 is a wasteful number, since it uses less digits than its factorization.

1020818323828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255204580961 (or 255204580959 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 1020818323828 in words is "one trillion, twenty billion, eight hundred eighteen million, three hundred twenty-three thousand, eight hundred twenty-eight".