204051342020 has 24 divisors (see below), whose sum is σ = 433931971200. Its totient is φ = 80587364832.

The previous prime is 204051341993. The next prime is 204051342059. The reversal of 204051342020 is 20243150402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64571630 + ... + 64574789.

It is an arithmetic number, because the mean of its divisors is an integer number (18080498800).

Almost surely, 2^204051342020 is an apocalyptic number.

204051342020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204051342020 is an abundant number, since it is smaller than the sum of its proper divisors (229880629180).

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

204051342020 is a wasteful number, since it uses less digits than its factorization.

204051342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129146507 (or 129146505 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 204051342020 its reverse (20243150402), we get a palindrome (224294492422).

The spelling of 204051342020 in words is "two hundred four billion, fifty-one million, three hundred forty-two thousand, twenty".