200321010340 has 96 divisors (see below), whose sum is σ = 467297486208. Its totient is φ = 72121808000.

The previous prime is 200321010313. The next prime is 200321010343. The reversal of 200321010340 is 43010123002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (200321010343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651367 + ... + 2725873.

It is an arithmetic number, because the mean of its divisors is an integer number (4867682148).

Almost surely, 2^200321010340 is an apocalyptic number.

200321010340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200321010340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233648743104).

200321010340 is an abundant number, since it is smaller than the sum of its proper divisors (266976475868).

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

200321010340 is a wasteful number, since it uses less digits than its factorization.

200321010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74650 (or 74626 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200321010340 its reverse (43010123002), we get a palindrome (243331133342).

The spelling of 200321010340 in words is "two hundred billion, three hundred twenty-one million, ten thousand, three hundred forty".