204420135346 has 8 divisors (see below), whose sum is σ = 350434517760. Its totient is φ = 87608629428.

The previous prime is 204420135343. The next prime is 204420135373. The reversal of 204420135346 is 643531024402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (204420135341) 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, 7300719106 + ... + 7300719133.

It is an arithmetic number, because the mean of its divisors is an integer number (43804314720).

Almost surely, 2^204420135346 is an apocalyptic number.

204420135346 is a deficient number, since it is larger than the sum of its proper divisors (146014382414).

204420135346 is a wasteful number, since it uses less digits than its factorization.

204420135346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601438248.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 204420135346 its reverse (643531024402), we get a palindrome (847951159748).

The spelling of 204420135346 in words is "two hundred four billion, four hundred twenty million, one hundred thirty-five thousand, three hundred forty-six".