204145322132 has 48 divisors (see below), whose sum is σ = 372347340288. Its totient is φ = 97828248960.

The previous prime is 204145322111. The next prime is 204145322177. The reversal of 204145322132 is 231223541402.

It is a junction number, because it is equal to n+sod(n) for n = 204145322095 and 204145322104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5959598 + ... + 5993754.

It is an arithmetic number, because the mean of its divisors is an integer number (7757236256).

Almost surely, 2^204145322132 is an apocalyptic number.

It is an amenable number.

204145322132 is a deficient number, since it is larger than the sum of its proper divisors (168202018156).

204145322132 is a wasteful number, since it uses less digits than its factorization.

204145322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34656 (or 34654 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 204145322132 its reverse (231223541402), we get a palindrome (435368863534).

The spelling of 204145322132 in words is "two hundred four billion, one hundred forty-five million, three hundred twenty-two thousand, one hundred thirty-two".