221032020323 has 8 divisors (see below), whose sum is σ = 225896697936. Its totient is φ = 216207381600.

The previous prime is 221032020277. The next prime is 221032020359. The reversal of 221032020323 is 323020230122.

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 221032020323 - 2²⁰ = 221030971747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221032020295 and 221032020304.

It is not an unprimeable number, because it can be changed into a prime (221032020523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9998561 + ... + 10020642.

It is an arithmetic number, because the mean of its divisors is an integer number (28237087242).

Almost surely, 2^221032020323 is an apocalyptic number.

221032020323 is a deficient number, since it is larger than the sum of its proper divisors (4864677613).

221032020323 is a wasteful number, since it uses less digits than its factorization.

221032020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019445.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221032020323 its reverse (323020230122), we get a palindrome (544052250445).

The spelling of 221032020323 in words is "two hundred twenty-one billion, thirty-two million, twenty thousand, three hundred twenty-three".