2180080421320 has 32 divisors (see below), whose sum is σ = 4905226622520. Its totient is φ = 872024048640.

The previous prime is 2180080421203. The next prime is 2180080421341. The reversal of 2180080421320 is 231240800812.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1403225038084 + 776855383236 = 1184578^2 + 881394^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996254 + ... + 6349426.

Almost surely, 2^{2180080421320} is an apocalyptic number.

2180080421320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2180080421320 is an abundant number, since it is smaller than the sum of its proper divisors (2725146201200).

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

2180080421320 is a wasteful number, since it uses less digits than its factorization.

2180080421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507505 (or 507501 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 2180080421320 in words is "two trillion, one hundred eighty billion, eighty million, four hundred twenty-one thousand, three hundred twenty".