2180801204 has 6 divisors (see below), whose sum is σ = 3816402114. Its totient is φ = 1090400600.

The previous prime is 2180801173. The next prime is 2180801219. The reversal of 2180801204 is 4021080812.

It can be written as a sum of positive squares in only one way, i.e., 1098259600 + 1082541604 = 33140^2 + 32902^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272600147 + ... + 272600154.

It is an arithmetic number, because the mean of its divisors is an integer number (636067019).

Almost surely, 2^2180801204 is an apocalyptic number.

It is an amenable number.

2180801204 is a deficient number, since it is larger than the sum of its proper divisors (1635600910).

2180801204 is a wasteful number, since it uses less digits than its factorization.

2180801204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545200305 (or 545200303 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 2180801204 is about 46699.0492836846. The cubic root of 2180801204 is about 1296.7970864105.

The spelling of 2180801204 in words is "two billion, one hundred eighty million, eight hundred one thousand, two hundred four".