204200122340 has 48 divisors (see below), whose sum is σ = 458126961600. Its totient is φ = 76226147712.

The previous prime is 204200122327. The next prime is 204200122361. The reversal of 204200122340 is 43221002402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984755 + ... + 4035674.

It is an arithmetic number, because the mean of its divisors is an integer number (9544311700).

Almost surely, 2^204200122340 is an apocalyptic number.

204200122340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204200122340 is an abundant number, since it is smaller than the sum of its proper divisors (253926839260).

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

204200122340 is a wasteful number, since it uses less digits than its factorization.

204200122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020524 (or 8020522 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 204200122340 its reverse (43221002402), we get a palindrome (247421124742).

The spelling of 204200122340 in words is "two hundred four billion, two hundred million, one hundred twenty-two thousand, three hundred forty".