220040400233 has 2 divisors, whose sum is σ = 220040400234. Its totient is φ = 220040400232.

The previous prime is 220040400149. The next prime is 220040400247. The reversal of 220040400233 is 332004040022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186389065984 + 33651334249 = 431728^2 + 183443^2 .

It is a cyclic number.

It is not a de Polignac number, because 220040400233 - 2¹⁰ = 220040399209 is a prime.

It is not a weakly prime, because it can be changed into another prime (220000400233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110020200116 + 110020200117.

It is an arithmetic number, because the mean of its divisors is an integer number (110020200117).

Almost surely, 2^220040400233 is an apocalyptic number.

It is an amenable number.

220040400233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220040400233 is an equidigital number, since it uses as much as digits as its factorization.

220040400233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 220040400233 its reverse (332004040022), we get a palindrome (552044440255).

The spelling of 220040400233 in words is "two hundred twenty billion, forty million, four hundred thousand, two hundred thirty-three".