204155344422 has 24 divisors (see below), whose sum is σ = 442534403376. Its totient is φ = 68021347056.

The previous prime is 204155344417. The next prime is 204155344423. The reversal of 204155344422 is 224443551402.

204155344422 is a `hidden beast` number, since 2 + 0 + 41 + 553 + 4 + 44 + 22 = 666.

204155344422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204155344423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2494818 + ... + 2575349.

It is an arithmetic number, because the mean of its divisors is an integer number (18438933474).

Almost surely, 2^204155344422 is an apocalyptic number.

204155344422 is an abundant number, since it is smaller than the sum of its proper divisors (238379058954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204155344422 is a wasteful number, since it uses less digits than its factorization.

204155344422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072412 (or 5072409 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 204155344422 its reverse (224443551402), we get a palindrome (428598895824).

The spelling of 204155344422 in words is "two hundred four billion, one hundred fifty-five million, three hundred forty-four thousand, four hundred twenty-two".