220223121232 has 20 divisors (see below), whose sum is σ = 431081086996. Its totient is φ = 108976389120.

The previous prime is 220223121221. The next prime is 220223121247. The reversal of 220223121232 is 232121322022.

It can be written as a sum of positive squares in 2 ways, for example, as 151884796176 + 68338325056 = 389724^2 + 261416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70946619 + ... + 70949722.

Almost surely, 2^220223121232 is an apocalyptic number.

It is an amenable number.

220223121232 is a deficient number, since it is larger than the sum of its proper divisors (210857965764).

220223121232 is a wasteful number, since it uses less digits than its factorization.

220223121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141896446 (or 141896440 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220223121232 its reverse (232121322022), we get a palindrome (452344443254).

The spelling of 220223121232 in words is "two hundred twenty billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-two".