204660220414 has 64 divisors (see below), whose sum is σ = 344751644160. Its totient is φ = 90482780160.

The previous prime is 204660220403. The next prime is 204660220417. The reversal of 204660220414 is 414022066402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204660220417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41184922 + ... + 41189890.

It is an arithmetic number, because the mean of its divisors is an integer number (5386744440).

Almost surely, 2^204660220414 is an apocalyptic number.

204660220414 is a deficient number, since it is larger than the sum of its proper divisors (140091423746).

204660220414 is a wasteful number, since it uses less digits than its factorization.

204660220414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 204660220414 its reverse (414022066402), we get a palindrome (618682286816).

The spelling of 204660220414 in words is "two hundred four billion, six hundred sixty million, two hundred twenty thousand, four hundred fourteen".