204002332542 has 64 divisors (see below), whose sum is σ = 462097120320. Its totient is φ = 66688128000.

The previous prime is 204002332537. The next prime is 204002332561. The reversal of 204002332542 is 245233200402.

It is a happy number.

204002332542 is a `hidden beast` number, since 2 + 0 + 400 + 2 + 3 + 3 + 254 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6971542 + ... + 7000742.

It is an arithmetic number, because the mean of its divisors is an integer number (7220267505).

Almost surely, 2^204002332542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204002332542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231048560160).

204002332542 is an abundant number, since it is smaller than the sum of its proper divisors (258094787778).

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

204002332542 is a wasteful number, since it uses less digits than its factorization.

204002332542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31706 (or 31700 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 204002332542 its reverse (245233200402), we get a palindrome (449235532944).

The spelling of 204002332542 in words is "two hundred four billion, two million, three hundred thirty-two thousand, five hundred forty-two".