205124205131434 has 8 divisors (see below), whose sum is σ = 307854350470368. Its totient is φ = 102506088307980.

The previous prime is 205124205131407. The next prime is 205124205131501. The reversal of 205124205131434 is 434131502421502.

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

It is a super-2 number, since 2×205124205131434² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205124205131393 and 205124205131402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28007124292 + ... + 28007131615.

It is an arithmetic number, because the mean of its divisors is an integer number (38481793808796).

Almost surely, 2^{205124205131434} is an apocalyptic number.

205124205131434 is a deficient number, since it is larger than the sum of its proper divisors (102730145338934).

205124205131434 is a wasteful number, since it uses less digits than its factorization.

205124205131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56014257740.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 205124205131434 its reverse (434131502421502), we get a palindrome (639255707552936).

The spelling of 205124205131434 in words is "two hundred five trillion, one hundred twenty-four billion, two hundred five million, one hundred thirty-one thousand, four hundred thirty-four".