204397930548 has 192 divisors, whose sum is σ = 616023654400. Its totient is φ = 57405075840.

The previous prime is 204397930547. The next prime is 204397930549. The reversal of 204397930548 is 845039793402.

204397930548 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 9 + 7 + 93 + 0 + 548 = 666.

It is an interprime number because it is at equal distance from previous prime (204397930547) and next prime (204397930549).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 204397930494 and 204397930503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204397930547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10455543 + ... + 10475073.

Almost surely, 2^204397930548 is an apocalyptic number.

204397930548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204397930548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308011827200).

204397930548 is an abundant number, since it is smaller than the sum of its proper divisors (411625723852).

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

204397930548 is a wasteful number, since it uses less digits than its factorization.

204397930548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19787 (or 19779 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 204397930548 in words is "two hundred four billion, three hundred ninety-seven million, nine hundred thirty thousand, five hundred forty-eight".