220144430033 has 4 divisors (see below), whose sum is σ = 240157560048. Its totient is φ = 200131300020.

The previous prime is 220144430027. The next prime is 220144430059. The reversal of 220144430033 is 330034441022.

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 220144430033 - 2⁴ = 220144430017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220144429984 and 220144430011.

It is not an unprimeable number, because it can be changed into a prime (220144430003) 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, 10006564991 + ... + 10006565012.

It is an arithmetic number, because the mean of its divisors is an integer number (60039390012).

Almost surely, 2^220144430033 is an apocalyptic number.

It is an amenable number.

220144430033 is a deficient number, since it is larger than the sum of its proper divisors (20013130015).

220144430033 is a wasteful number, since it uses less digits than its factorization.

220144430033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20013130014.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 220144430033 its reverse (330034441022), we get a palindrome (550178871055).

The spelling of 220144430033 in words is "two hundred twenty billion, one hundred forty-four million, four hundred thirty thousand, thirty-three".