1320023320080 has 80 divisors (see below), whose sum is σ = 4233178255680. Its totient is φ = 339868071424.

The previous prime is 1320023320079. The next prime is 1320023320097. The reversal of 1320023320080 is 800233200231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1320023320080² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1320023320080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94822302 + ... + 94836221.

It is an arithmetic number, because the mean of its divisors is an integer number (52914728196).

Almost surely, 2^{1320023320080} is an apocalyptic number.

1320023320080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320023320080 is an abundant number, since it is smaller than the sum of its proper divisors (2913154935600).

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

1320023320080 is a wasteful number, since it uses less digits than its factorization.

1320023320080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189658568 (or 189658562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 1320023320080 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty thousand, eighty".