220640210330233 has 4 divisors (see below), whose sum is σ = 221138269496208. Its totient is φ = 220142151164260.

The previous prime is 220640210330179. The next prime is 220640210330261. The reversal of 220640210330233 is 332033012046022.

220640210330233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220640210330233 - 2¹³ = 220640210322041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220640210330195 and 220640210330204.

It is not an unprimeable number, because it can be changed into a prime (220640210330833) 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, 249029582323 + ... + 249029583208.

It is an arithmetic number, because the mean of its divisors is an integer number (55284567374052).

Almost surely, 2^{220640210330233} is an apocalyptic number.

It is an amenable number.

220640210330233 is a deficient number, since it is larger than the sum of its proper divisors (498059165975).

220640210330233 is an equidigital number, since it uses as much as digits as its factorization.

220640210330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498059165974.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 220640210330233 its reverse (332033012046022), we get a palindrome (552673222376255).

The spelling of 220640210330233 in words is "two hundred twenty trillion, six hundred forty billion, two hundred ten million, three hundred thirty thousand, two hundred thirty-three".