220030013233 has 4 divisors (see below), whose sum is σ = 220041334260. Its totient is φ = 220018692208.

The previous prime is 220030013227. The next prime is 220030013251. The reversal of 220030013233 is 332310030022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54143239969 + 165886773264 = 232687^2 + 407292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220030013233 is a prime.

It is a super-2 number, since 2×220030013233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220030013233.

It is not an unprimeable number, because it can be changed into a prime (220030013633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631310 + ... + 5670247.

It is an arithmetic number, because the mean of its divisors is an integer number (55010333565).

Almost surely, 2^220030013233 is an apocalyptic number.

It is an amenable number.

220030013233 is a deficient number, since it is larger than the sum of its proper divisors (11321027).

220030013233 is a wasteful number, since it uses less digits than its factorization.

220030013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11321026.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 220030013233 its reverse (332310030022), we get a palindrome (552340043255).

The spelling of 220030013233 in words is "two hundred twenty billion, thirty million, thirteen thousand, two hundred thirty-three".