1020703666817 has 16 divisors (see below), whose sum is σ = 1039763867520. Its totient is φ = 1001720649600.

The previous prime is 1020703666813. The next prime is 1020703666819. The reversal of 1020703666817 is 7186663070201.

It is a cyclic number.

It is not a de Polignac number, because 1020703666817 - 2² = 1020703666813 is a prime.

It is a super-2 number, since 2×1020703666817² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020703666813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67316717 + ... + 67331877.

It is an arithmetic number, because the mean of its divisors is an integer number (64985241720).

Almost surely, 2^{1020703666817} is an apocalyptic number.

It is an amenable number.

1020703666817 is a deficient number, since it is larger than the sum of its proper divisors (19060200703).

1020703666817 is a wasteful number, since it uses less digits than its factorization.

1020703666817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17624.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 1020703666817 in words is "one trillion, twenty billion, seven hundred three million, six hundred sixty-six thousand, eight hundred seventeen".