204301312220 has 48 divisors (see below), whose sum is σ = 437684935968. Its totient is φ = 80076422400.

The previous prime is 204301312183. The next prime is 204301312231. The reversal of 204301312220 is 22213103402.

204301312220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 204301312192 and 204301312201.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 711770 + ... + 956670.

It is an arithmetic number, because the mean of its divisors is an integer number (9118436166).

Almost surely, 2^204301312220 is an apocalyptic number.

204301312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204301312220 is an abundant number, since it is smaller than the sum of its proper divisors (233383623748).

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

204301312220 is a wasteful number, since it uses less digits than its factorization.

204301312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245750 (or 245748 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204301312220 its reverse (22213103402), we get a palindrome (226514415622).

The spelling of 204301312220 in words is "two hundred four billion, three hundred one million, three hundred twelve thousand, two hundred twenty".