204420132144433 has 4 divisors (see below), whose sum is σ = 204465069526900. Its totient is φ = 204375194761968.

The previous prime is 204420132144377. The next prime is 204420132144497. The reversal of 204420132144433 is 334441231024402.

204420132144433 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.

It can be written as a sum of positive squares in 2 ways, for example, as 167753086514209 + 36667045630224 = 12951953^2 + 6055332^2 .

It is a cyclic number.

It is not a de Polignac number, because 204420132144433 - 2³³ = 204411542209841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204420132144392 and 204420132144401.

It is not an unprimeable number, because it can be changed into a prime (204420133144433) 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, 22468684410 + ... + 22468693507.

It is an arithmetic number, because the mean of its divisors is an integer number (51116267381725).

Almost surely, 2^{204420132144433} is an apocalyptic number.

It is an amenable number.

204420132144433 is a deficient number, since it is larger than the sum of its proper divisors (44937382467).

204420132144433 is an equidigital number, since it uses as much as digits as its factorization.

204420132144433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44937382466.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 204420132144433 its reverse (334441231024402), we get a palindrome (538861363168835).

The spelling of 204420132144433 in words is "two hundred four trillion, four hundred twenty billion, one hundred thirty-two million, one hundred forty-four thousand, four hundred thirty-three".