204466080820 has 12 divisors (see below), whose sum is σ = 429378769764. Its totient is φ = 81786432320.

The previous prime is 204466080809. The next prime is 204466080827. The reversal of 204466080820 is 28080664402.

204466080820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 94828275364 + 109637805456 = 307942^2 + 331116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204466080827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111652001 + ... + 5111652040.

It is an arithmetic number, because the mean of its divisors is an integer number (35781564147).

Almost surely, 2^204466080820 is an apocalyptic number.

204466080820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204466080820 is an abundant number, since it is smaller than the sum of its proper divisors (224912688944).

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

204466080820 is a wasteful number, since it uses less digits than its factorization.

204466080820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223304050 (or 10223304048 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 204466080820 in words is "two hundred four billion, four hundred sixty-six million, eighty thousand, eight hundred twenty".