204450082512 has 320 divisors, whose sum is σ = 597828403200. Its totient is φ = 59779399680.

The previous prime is 204450082511. The next prime is 204450082513. The reversal of 204450082512 is 215280054402.

It is an interprime number because it is at equal distance from previous prime (204450082511) and next prime (204450082513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204450082511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539445939 + ... + 539446317.

It is an arithmetic number, because the mean of its divisors is an integer number (1868213760).

Almost surely, 2^204450082512 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 204450082512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298914201600).

204450082512 is an abundant number, since it is smaller than the sum of its proper divisors (393378320688).

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

204450082512 is a wasteful number, since it uses less digits than its factorization.

204450082512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 204450082512 in words is "two hundred four billion, four hundred fifty million, eighty-two thousand, five hundred twelve".