204343133100 has 144 divisors (see below), whose sum is σ = 628342596000. Its totient is φ = 51095121920.

The previous prime is 204343133069. The next prime is 204343133123. The reversal of 204343133100 is 1331343402.

It is a super-2 number, since 2×204343133100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1297426 + ... + 1446374.

It is an arithmetic number, because the mean of its divisors is an integer number (4363490250).

Almost surely, 2^204343133100 is an apocalyptic number.

204343133100 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 204343133100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314171298000).

204343133100 is an abundant number, since it is smaller than the sum of its proper divisors (423999462900).

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

204343133100 is a wasteful number, since it uses less digits than its factorization.

204343133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149252 (or 149245 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 204343133100 its reverse (1331343402), we get a palindrome (205674476502).

The spelling of 204343133100 in words is "two hundred four billion, three hundred forty-three million, one hundred thirty-three thousand, one hundred".