204061004142 has 32 divisors (see below), whose sum is σ = 421084016640. Its totient is φ = 65883871680.

The previous prime is 204061004113. The next prime is 204061004149. The reversal of 204061004142 is 241400160402.

It is a happy number.

It is a super-2 number, since 2×204061004142² (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 (204061004149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2949678 + ... + 3018065.

It is an arithmetic number, because the mean of its divisors is an integer number (13158875520).

Almost surely, 2^204061004142 is an apocalyptic number.

204061004142 is an abundant number, since it is smaller than the sum of its proper divisors (217023012498).

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

204061004142 is a wasteful number, since it uses less digits than its factorization.

204061004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967928.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 204061004142 its reverse (241400160402), we get a palindrome (445461164544).

The spelling of 204061004142 in words is "two hundred four billion, sixty-one million, four thousand, one hundred forty-two".