1320730804552 has 64 divisors (see below), whose sum is σ = 2666329747200. Its totient is φ = 611341148160.

The previous prime is 1320730804543. The next prime is 1320730804553. The reversal of 1320730804552 is 2554080370231.

It is not an unprimeable number, because it can be changed into a prime (1320730804553) 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, 4435098 + ... + 4723510.

It is an arithmetic number, because the mean of its divisors is an integer number (41661402300).

Almost surely, 2^{1320730804552} is an apocalyptic number.

It is an amenable number.

1320730804552 is an abundant number, since it is smaller than the sum of its proper divisors (1345598942648).

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

1320730804552 is a wasteful number, since it uses less digits than its factorization.

1320730804552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289126 (or 289122 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 1320730804552 in words is "one trillion, three hundred twenty billion, seven hundred thirty million, eight hundred four thousand, five hundred fifty-two".