204233002134 has 64 divisors (see below), whose sum is σ = 473349920256. Its totient is φ = 57536296704.

The previous prime is 204233002117. The next prime is 204233002139. The reversal of 204233002134 is 431200332402.

It is a super-2 number, since 2×204233002134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204233002139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13841749 + ... + 13856495.

It is an arithmetic number, because the mean of its divisors is an integer number (7396092504).

Almost surely, 2^204233002134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204233002134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236674960128).

204233002134 is an abundant number, since it is smaller than the sum of its proper divisors (269116918122).

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

204233002134 is a wasteful number, since it uses less digits than its factorization.

204233002134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19349.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204233002134 its reverse (431200332402), we get a palindrome (635433334536).

The spelling of 204233002134 in words is "two hundred four billion, two hundred thirty-three million, two thousand, one hundred thirty-four".