204051342956820 has 48 divisors (see below), whose sum is σ = 571351760101248. Its totient is φ = 54412929567360.

The previous prime is 204051342956807. The next prime is 204051342956837. The reversal of 204051342956820 is 28659243150402.

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, 19481611 + ... + 28064850.

It is an arithmetic number, because the mean of its divisors is an integer number (11903161668776).

Almost surely, 2^{204051342956820} is an apocalyptic number.

204051342956820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204051342956820 is an abundant number, since it is smaller than the sum of its proper divisors (367300417144428).

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

204051342956820 is a wasteful number, since it uses less digits than its factorization.

204051342956820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47618000 (or 47617998 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 204051342956820 in words is "two hundred four trillion, fifty-one billion, three hundred forty-two million, nine hundred fifty-six thousand, eight hundred twenty".