205142613023430 has 96 divisors (see below), whose sum is σ = 570337086934368. Its totient is φ = 50977003392000.

The previous prime is 205142613023417. The next prime is 205142613023473. The reversal of 205142613023430 is 34320316241502.

205142613023430 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 4 + 2 + 6 + 1 + 302 + 343 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 663608536 + ... + 663917595.

It is an arithmetic number, because the mean of its divisors is an integer number (5941011322233).

Almost surely, 2^{205142613023430} is an apocalyptic number.

205142613023430 is an abundant number, since it is smaller than the sum of its proper divisors (365194473910938).

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

205142613023430 is a wasteful number, since it uses less digits than its factorization.

205142613023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327526262 (or 1327526259 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 205142613023430 its reverse (34320316241502), we get a palindrome (239462929264932).

The spelling of 205142613023430 in words is "two hundred five trillion, one hundred forty-two billion, six hundred thirteen million, twenty-three thousand, four hundred thirty".