1320688883950 has 12 divisors (see below), whose sum is σ = 2456481324240. Its totient is φ = 528275553560.

The previous prime is 1320688883947. The next prime is 1320688883963. The reversal of 1320688883950 is 593888860231.

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 5 ways as a sum of consecutive naturals, for example, 13206888790 + ... + 13206888889.

It is an arithmetic number, because the mean of its divisors is an integer number (204706777020).

Almost surely, 2^{1320688883950} is an apocalyptic number.

1320688883950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320688883950 is a deficient number, since it is larger than the sum of its proper divisors (1135792440290).

1320688883950 is a wasteful number, since it uses less digits than its factorization.

1320688883950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26413777691 (or 26413777686 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 1320688883950 in words is "one trillion, three hundred twenty billion, six hundred eighty-eight million, eight hundred eighty-three thousand, nine hundred fifty".