220231300133 has 8 divisors (see below), whose sum is σ = 238763931000. Its totient is φ = 201926063808.

The previous prime is 220231300109. The next prime is 220231300139. The reversal of 220231300133 is 331003132022.

It can be written as a sum of positive squares in 4 ways, for example, as 426918244 + 219804381889 = 20662^2 + 468833^2 .

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 220231300133 - 2⁸ = 220231299877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231300139) 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, 56846618 + ... + 56850491.

It is an arithmetic number, because the mean of its divisors is an integer number (29845491375).

Almost surely, 2^220231300133 is an apocalyptic number.

It is an amenable number.

220231300133 is a deficient number, since it is larger than the sum of its proper divisors (18532630867).

220231300133 is a wasteful number, since it uses less digits than its factorization.

220231300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113697271.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 220231300133 its reverse (331003132022), we get a palindrome (551234432155).

The spelling of 220231300133 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred thousand, one hundred thirty-three".