204044132143420 has 96 divisors (see below), whose sum is σ = 444992954144256. Its totient is φ = 78506872012800.

The previous prime is 204044132143417. The next prime is 204044132143427. The reversal of 204044132143420 is 24341231440402.

204044132143420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204044132143420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204044132143427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396282940 + ... + 396797500.

It is an arithmetic number, because the mean of its divisors is an integer number (4635343272336).

Almost surely, 2^{204044132143420} is an apocalyptic number.

204044132143420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204044132143420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222496477072128).

204044132143420 is an abundant number, since it is smaller than the sum of its proper divisors (240948822000836).

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

204044132143420 is a wasteful number, since it uses less digits than its factorization.

204044132143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518471 (or 518469 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 204044132143420 its reverse (24341231440402), we get a palindrome (228385363583822).

The spelling of 204044132143420 in words is "two hundred four trillion, forty-four billion, one hundred thirty-two million, one hundred forty-three thousand, four hundred twenty".