204233521242 has 16 divisors (see below), whose sum is σ = 408477415392. Its totient is φ = 68076111600.

The previous prime is 204233521213. The next prime is 204233521267. The reversal of 204233521242 is 242125332402.

It is a super-2 number, since 2×204233521242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163384 + ... + 659667.

It is an arithmetic number, because the mean of its divisors is an integer number (25529838462).

Almost surely, 2^204233521242 is an apocalyptic number.

204233521242 is an abundant number, since it is smaller than the sum of its proper divisors (204243894150).

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

204233521242 is a wasteful number, since it uses less digits than its factorization.

204233521242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864413.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204233521242 its reverse (242125332402), we get a palindrome (446358853644).

The spelling of 204233521242 in words is "two hundred four billion, two hundred thirty-three million, five hundred twenty-one thousand, two hundred forty-two".