220231233321 has 8 divisors (see below), whose sum is σ = 320336339424. Its totient is φ = 133473474720.

The previous prime is 220231233319. The next prime is 220231233451. The reversal of 220231233321 is 123332132022.

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

It is not a de Polignac number, because 220231233321 - 2¹ = 220231233319 is a prime.

It is a super-2 number, since 2×220231233321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220231233291 and 220231233300.

It is not an unprimeable number, because it can be changed into a prime (220231233821) 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, 3336836836 + ... + 3336836901.

It is an arithmetic number, because the mean of its divisors is an integer number (40042042428).

Almost surely, 2^220231233321 is an apocalyptic number.

It is an amenable number.

220231233321 is a deficient number, since it is larger than the sum of its proper divisors (100105106103).

220231233321 is a wasteful number, since it uses less digits than its factorization.

220231233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673673751.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 220231233321 its reverse (123332132022), we get a palindrome (343563365343).

The spelling of 220231233321 in words is "two hundred twenty billion, two hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-one".