1320322421024 has 12 divisors (see below), whose sum is σ = 2599384766454. Its totient is φ = 660161210496.

The previous prime is 1320322420987. The next prime is 1320322421051. The reversal of 1320322421024 is 4201242230231.

It can be written as a sum of positive squares in only one way, i.e., 1044214209424 + 276108211600 = 1021868^2 + 525460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320322420984 and 1320322421002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20630037797 + ... + 20630037860.

Almost surely, 2^{1320322421024} is an apocalyptic number.

It is an amenable number.

1320322421024 is a deficient number, since it is larger than the sum of its proper divisors (1279062345430).

1320322421024 is an equidigital number, since it uses as much as digits as its factorization.

1320322421024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41260075667 (or 41260075659 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1320322421024 its reverse (4201242230231), we get a palindrome (5521564651255).

The spelling of 1320322421024 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, four hundred twenty-one thousand, twenty-four".