204042220433 has 16 divisors (see below), whose sum is σ = 209981243904. Its totient is φ = 198172526400.

The previous prime is 204042220411. The next prime is 204042220451. The reversal of 204042220433 is 334022240402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204042220433 - 2²⁰ = 204041171857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204042220133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061291 + ... + 7090127.

It is an arithmetic number, because the mean of its divisors is an integer number (13123827744).

Almost surely, 2^204042220433 is an apocalyptic number.

It is an amenable number.

204042220433 is a deficient number, since it is larger than the sum of its proper divisors (5939023471).

204042220433 is a wasteful number, since it uses less digits than its factorization.

204042220433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 204042220433 its reverse (334022240402), we get a palindrome (538064460835).

The spelling of 204042220433 in words is "two hundred four billion, forty-two million, two hundred twenty thousand, four hundred thirty-three".