220001321032 has 32 divisors (see below), whose sum is σ = 418484709720. Its totient is φ = 108414812160.

The previous prime is 220001321003. The next prime is 220001321047. The reversal of 220001321032 is 230123100022.

It can be written as a sum of positive squares in 4 ways, for example, as 153089082756 + 66912238276 = 391266^2 + 258674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220001320997 and 220001321015.

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, 401173 + ... + 775204.

Almost surely, 2^220001321032 is an apocalyptic number.

It is an amenable number.

220001321032 is a deficient number, since it is larger than the sum of its proper divisors (198483388688).

220001321032 is a wasteful number, since it uses less digits than its factorization.

220001321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176721 (or 1176717 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220001321032 its reverse (230123100022), we get a palindrome (450124421054).

The spelling of 220001321032 in words is "two hundred twenty billion, one million, three hundred twenty-one thousand, thirty-two".