1320244023460 has 24 divisors (see below), whose sum is σ = 2773992780216. Its totient is φ = 527815641600.

The previous prime is 1320244023457. The next prime is 1320244023481. The reversal of 1320244023460 is 643204420231.

It can be written as a sum of positive squares in 4 ways, for example, as 4763484324 + 1315480539136 = 69018^2 + 1146944^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 17584591 + ... + 17659510.

It is an arithmetic number, because the mean of its divisors is an integer number (115583032509).

Almost surely, 2^{1320244023460} is an apocalyptic number.

1320244023460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320244023460 is an abundant number, since it is smaller than the sum of its proper divisors (1453748756756).

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

1320244023460 is a wasteful number, since it uses less digits than its factorization.

1320244023460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35245983 (or 35245981 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1320244023460 its reverse (643204420231), we get a palindrome (1963448443691).

The spelling of 1320244023460 in words is "one trillion, three hundred twenty billion, two hundred forty-four million, twenty-three thousand, four hundred sixty".