220231331333 has 8 divisors (see below), whose sum is σ = 238401077208. Its totient is φ = 202237138944.

The previous prime is 220231331297. The next prime is 220231331387. The reversal of 220231331333 is 333133132022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4026790849 + 216204540484 = 63457^2 + 464978^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220231331333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220261331333) 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, 43885760 + ... + 43890777.

It is an arithmetic number, because the mean of its divisors is an integer number (29800134651).

Almost surely, 2^220231331333 is an apocalyptic number.

It is an amenable number.

220231331333 is a deficient number, since it is larger than the sum of its proper divisors (18169745875).

220231331333 is a wasteful number, since it uses less digits than its factorization.

220231331333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87776743.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 220231331333 its reverse (333133132022), we get a palindrome (553364463355).

The spelling of 220231331333 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty-three".