1020298847868 has 72 divisors (see below), whose sum is σ = 2705600832480. Its totient is φ = 323747061120.

The previous prime is 1020298847851. The next prime is 1020298847917. The reversal of 1020298847868 is 8687488920201.

1020298847868 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 29 + 88 + 478 + 68 = 666.

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 in 23 ways as a sum of consecutive naturals, for example, 6808255 + ... + 6956502.

It is an arithmetic number, because the mean of its divisors is an integer number (37577789340).

Almost surely, 2^{1020298847868} is an apocalyptic number.

1020298847868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1020298847868 is an abundant number, since it is smaller than the sum of its proper divisors (1685301984612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020298847868 is a wasteful number, since it uses less digits than its factorization.

1020298847868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764867 (or 13764862 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 1020298847868 in words is "one trillion, twenty billion, two hundred ninety-eight million, eight hundred forty-seven thousand, eight hundred sixty-eight".