180220894331 has 8 divisors (see below), whose sum is σ = 180783163200. Its totient is φ = 179658733320.

The previous prime is 180220894291. The next prime is 180220894361. The reversal of 180220894331 is 133498022081.

180220894331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180220894331 - 2⁶ = 180220894267 is a prime.

It is a super-2 number, since 2×180220894331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180220894361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4487900 + ... + 4527878.

It is an arithmetic number, because the mean of its divisors is an integer number (22597895400).

Almost surely, 2^180220894331 is an apocalyptic number.

180220894331 is a deficient number, since it is larger than the sum of its proper divisors (562268869).

180220894331 is a wasteful number, since it uses less digits than its factorization.

180220894331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53929.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 180220894331 in words is "one hundred eighty billion, two hundred twenty million, eight hundred ninety-four thousand, three hundred thirty-one".