204310312140220 has 48 divisors (see below), whose sum is σ = 504060686182368. Its totient is φ = 68579685192960.

The previous prime is 204310312140217. The next prime is 204310312140223. The reversal of 204310312140220 is 22041213013402.

It is an interprime number because it is at equal distance from previous prime (204310312140217) and next prime (204310312140223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204310312140223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35718583179 + ... + 35718588898.

It is an arithmetic number, because the mean of its divisors is an integer number (10501264295466).

Almost surely, 2^{204310312140220} is an apocalyptic number.

204310312140220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204310312140220 is an abundant number, since it is smaller than the sum of its proper divisors (299750374042148).

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

204310312140220 is a wasteful number, since it uses less digits than its factorization.

204310312140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71437172110 (or 71437172108 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204310312140220 its reverse (22041213013402), we get a palindrome (226351525153622).

The spelling of 204310312140220 in words is "two hundred four trillion, three hundred ten billion, three hundred twelve million, one hundred forty thousand, two hundred twenty".