204308163480 has 64 divisors (see below), whose sum is σ = 613811750400. Its totient is φ = 54403309440.

The previous prime is 204308163469. The next prime is 204308163481. The reversal of 204308163480 is 84361803402.

It is a happy number.

204308163480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204308163481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149040 + ... + 1314879.

It is an arithmetic number, because the mean of its divisors is an integer number (9590808600).

Almost surely, 2^204308163480 is an apocalyptic number.

204308163480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204308163480 is an abundant number, since it is smaller than the sum of its proper divisors (409503586920).

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

204308163480 is a wasteful number, since it uses less digits than its factorization.

204308163480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464624 (or 2464620 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

Adding to 204308163480 its reverse (84361803402), we get a palindrome (288669966882).

The spelling of 204308163480 in words is "two hundred four billion, three hundred eight million, one hundred sixty-three thousand, four hundred eighty".