220040031444032 has 56 divisors (see below), whose sum is σ = 460559189156640. Its totient is φ = 104017208279040.

The previous prime is 220040031444011. The next prime is 220040031444049. The reversal of 220040031444032 is 230444130040022.

It is a junction number, because it is equal to n+sod(n) for n = 220040031443986 and 220040031444004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183673793 + ... + 184867904.

It is an arithmetic number, because the mean of its divisors is an integer number (8224271234940).

Almost surely, 2^{220040031444032} is an apocalyptic number.

It is an amenable number.

220040031444032 is an abundant number, since it is smaller than the sum of its proper divisors (240519157712608).

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

220040031444032 is a wasteful number, since it uses less digits than its factorization.

220040031444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368542219 (or 368542209 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 220040031444032 its reverse (230444130040022), we get a palindrome (450484161484054).

The spelling of 220040031444032 in words is "two hundred twenty trillion, forty billion, thirty-one million, four hundred forty-four thousand, thirty-two".