204103312210 has 64 divisors (see below), whose sum is σ = 442093881600. Its totient is φ = 66276340992.

The previous prime is 204103312201. The next prime is 204103312241. The reversal of 204103312210 is 12213301402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5104576 + ... + 5144404.

It is an arithmetic number, because the mean of its divisors is an integer number (6907716900).

Almost surely, 2^204103312210 is an apocalyptic number.

204103312210 is an abundant number, since it is smaller than the sum of its proper divisors (237990569390).

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

204103312210 is a wasteful number, since it uses less digits than its factorization.

204103312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43715.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 204103312210 its reverse (12213301402), we get a palindrome (216316613612).

The spelling of 204103312210 in words is "two hundred four billion, one hundred three million, three hundred twelve thousand, two hundred ten".