204264132543 has 24 divisors (see below), whose sum is σ = 307905916032. Its totient is φ = 130242890448.

The previous prime is 204264132469. The next prime is 204264132581. The reversal of 204264132543 is 345231462402.

204264132543 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 641 + 3 + 2 + 5 + 4 + 3 = 666.

It is not a de Polignac number, because 204264132543 - 2³³ = 195674197951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204264132498 and 204264132507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204264132593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2426680 + ... + 2509442.

It is an arithmetic number, because the mean of its divisors is an integer number (12829413168).

Almost surely, 2^204264132543 is an apocalyptic number.

204264132543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204264132543 is a deficient number, since it is larger than the sum of its proper divisors (103641783489).

204264132543 is a wasteful number, since it uses less digits than its factorization.

204264132543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94715 (or 94712 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 204264132543 its reverse (345231462402), we get a palindrome (549495594945).

The spelling of 204264132543 in words is "two hundred four billion, two hundred sixty-four million, one hundred thirty-two thousand, five hundred forty-three".