1320536614420 has 48 divisors (see below), whose sum is σ = 2822946069888. Its totient is φ = 518752056960.

The previous prime is 1320536614351. The next prime is 1320536614427. The reversal of 1320536614420 is 244166350231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320536614420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320536614427) 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, 47142 + ... + 1625821.

It is an arithmetic number, because the mean of its divisors is an integer number (58811376456).

Almost surely, 2^{1320536614420} is an apocalyptic number.

1320536614420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320536614420 is an abundant number, since it is smaller than the sum of its proper divisors (1502409455468).

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

1320536614420 is a wasteful number, since it uses less digits than its factorization.

1320536614420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673680 (or 1673678 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1320536614420 in words is "one trillion, three hundred twenty billion, five hundred thirty-six million, six hundred fourteen thousand, four hundred twenty".