204143243132 has 12 divisors (see below), whose sum is σ = 357577536456. Its totient is φ = 101978232720.

The previous prime is 204143243099. The next prime is 204143243147. The reversal of 204143243132 is 231342341402.

It is a junction number, because it is equal to n+sod(n) for n = 204143243095 and 204143243104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23342294 + ... + 23351037.

It is an arithmetic number, because the mean of its divisors is an integer number (29798128038).

Almost surely, 2^204143243132 is an apocalyptic number.

It is an amenable number.

204143243132 is a deficient number, since it is larger than the sum of its proper divisors (153434293324).

204143243132 is a wasteful number, since it uses less digits than its factorization.

204143243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46694428 (or 46694426 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204143243132 its reverse (231342341402), we get a palindrome (435485584534).

The spelling of 204143243132 in words is "two hundred four billion, one hundred forty-three million, two hundred forty-three thousand, one hundred thirty-two".