1020703666825 has 12 divisors (see below), whose sum is σ = 1265720811228. Its totient is φ = 816531795200.

The previous prime is 1020703666823. The next prime is 1020703666841. The reversal of 1020703666825 is 5286663070201.

It can be written as a sum of positive squares in 6 ways, for example, as 21029640256 + 999674026569 = 145016^2 + 999837^2 .

It is not a de Polignac number, because 1020703666825 - 2¹ = 1020703666823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020703666823) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 98092 + ... + 1432141.

It is an arithmetic number, because the mean of its divisors is an integer number (105476734269).

Almost surely, 2^{1020703666825} is an apocalyptic number.

It is an amenable number.

1020703666825 is a deficient number, since it is larger than the sum of its proper divisors (245017144403).

1020703666825 is a wasteful number, since it uses less digits than its factorization.

1020703666825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556924 (or 1556919 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1020703666825 in words is "one trillion, twenty billion, seven hundred three million, six hundred sixty-six thousand, eight hundred twenty-five".