204022243242 has 24 divisors (see below), whose sum is σ = 468051029316. Its totient is φ = 64006978176.

The previous prime is 204022243141. The next prime is 204022243277. The reversal of 204022243242 is 242342220402.

204022243242 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 222 + 432 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200031668001 + 3990575241 = 447249^2 + 63171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333369373 + ... + 333369984.

Almost surely, 2^204022243242 is an apocalyptic number.

204022243242 is an abundant number, since it is smaller than the sum of its proper divisors (264028786074).

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

204022243242 is a wasteful number, since it uses less digits than its factorization.

204022243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666739382 (or 666739379 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 204022243242 its reverse (242342220402), we get a palindrome (446364463644).

The spelling of 204022243242 in words is "two hundred four billion, twenty-two million, two hundred forty-three thousand, two hundred forty-two".