204120332142 has 16 divisors (see below), whose sum is σ = 412827639120. Its totient is φ = 67275614912.

The previous prime is 204120332077. The next prime is 204120332161. The reversal of 204120332142 is 241233021402.

It is a happy number.

It is a congruent number.

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, 191123373 + ... + 191124440.

It is an arithmetic number, because the mean of its divisors is an integer number (25801727445).

Almost surely, 2^204120332142 is an apocalyptic number.

204120332142 is an abundant number, since it is smaller than the sum of its proper divisors (208707306978).

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

204120332142 is a wasteful number, since it uses less digits than its factorization.

204120332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382247907.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 204120332142 its reverse (241233021402), we get a palindrome (445353353544).

The spelling of 204120332142 in words is "two hundred four billion, one hundred twenty million, three hundred thirty-two thousand, one hundred forty-two".