220203122321 has 8 divisors (see below), whose sum is σ = 271019227584. Its totient is φ = 174226646160.

The previous prime is 220203122303. The next prime is 220203122327. The reversal of 220203122321 is 123221302022.

It is a happy number.

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

It is not a de Polignac number, because 220203122321 - 2¹⁴ = 220203105937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220203122293 and 220203122302.

It is not an unprimeable number, because it can be changed into a prime (220203122327) 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, 1209907175 + ... + 1209907356.

It is an arithmetic number, because the mean of its divisors is an integer number (33877403448).

Almost surely, 2^220203122321 is an apocalyptic number.

It is an amenable number.

220203122321 is a deficient number, since it is larger than the sum of its proper divisors (50816105263).

220203122321 is a wasteful number, since it uses less digits than its factorization.

220203122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419814551.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220203122321 its reverse (123221302022), we get a palindrome (343424424343).

The spelling of 220203122321 in words is "two hundred twenty billion, two hundred three million, one hundred twenty-two thousand, three hundred twenty-one".