204220321243032 has 128 divisors (see below), whose sum is σ = 524999470464000. Its totient is φ = 66159687859200.

The previous prime is 204220321243019. The next prime is 204220321243121. The reversal of 204220321243032 is 230342123022402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2319666118 + ... + 2319754154.

It is an arithmetic number, because the mean of its divisors is an integer number (4101558363000).

Almost surely, 2^{204220321243032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204220321243032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262499735232000).

204220321243032 is an abundant number, since it is smaller than the sum of its proper divisors (320779149220968).

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

204220321243032 is a wasteful number, since it uses less digits than its factorization.

204220321243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97057 (or 97053 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 204220321243032 its reverse (230342123022402), we get a palindrome (434562444265434).

The spelling of 204220321243032 in words is "two hundred four trillion, two hundred twenty billion, three hundred twenty-one million, two hundred forty-three thousand, thirty-two".