204312555150 has 384 divisors, whose sum is σ = 584839567872. Its totient is φ = 46759680000.

The previous prime is 204312555121. The next prime is 204312555157. The reversal of 204312555150 is 51555213402.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204312555157) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 309095820 + ... + 309096480.

It is an arithmetic number, because the mean of its divisors is an integer number (1523019708).

Almost surely, 2^204312555150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204312555150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292419783936).

204312555150 is an abundant number, since it is smaller than the sum of its proper divisors (380527012722).

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

204312555150 is a wasteful number, since it uses less digits than its factorization.

204312555150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 204312555150 its reverse (51555213402), we get a palindrome (255867768552).

The spelling of 204312555150 in words is "two hundred four billion, three hundred twelve million, five hundred fifty-five thousand, one hundred fifty".