204344342142 has 16 divisors (see below), whose sum is σ = 409404433152. Its totient is φ = 67995489240.

The previous prime is 204344342119. The next prime is 204344342143. The reversal of 204344342142 is 241243443402.

It is a super-2 number, since 2×204344342142² (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 (204344342143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29819158 + ... + 29826009.

It is an arithmetic number, because the mean of its divisors is an integer number (25587777072).

Almost surely, 2^204344342142 is an apocalyptic number.

204344342142 is an abundant number, since it is smaller than the sum of its proper divisors (205060091010).

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

204344342142 is a wasteful number, since it uses less digits than its factorization.

204344342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59645743.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 204344342142 its reverse (241243443402), we get a palindrome (445587785544).

The spelling of 204344342142 in words is "two hundred four billion, three hundred forty-four million, three hundred forty-two thousand, one hundred forty-two".