205252108534 has 8 divisors (see below), whose sum is σ = 335867086728. Its totient is φ = 93296412960.

The previous prime is 205252108517. The next prime is 205252108571. The reversal of 205252108534 is 435801252502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205252108493 and 205252108502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664820627 + ... + 4664820670.

It is an arithmetic number, because the mean of its divisors is an integer number (41983385841).

Almost surely, 2^205252108534 is an apocalyptic number.

205252108534 is a deficient number, since it is larger than the sum of its proper divisors (130614978194).

205252108534 is a wasteful number, since it uses less digits than its factorization.

205252108534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329641310.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 205252108534 in words is "two hundred five billion, two hundred fifty-two million, one hundred eight thousand, five hundred thirty-four".