205305422402030 has 8 divisors (see below), whose sum is σ = 369549760323672. Its totient is φ = 82122168960808.

The previous prime is 205305422402027. The next prime is 205305422402117. The reversal of 205305422402030 is 30204224503502.

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

It is a congruent number.

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, 10265271120092 + ... + 10265271120111.

It is an arithmetic number, because the mean of its divisors is an integer number (46193720040459).

Almost surely, 2^{205305422402030} is an apocalyptic number.

205305422402030 is a deficient number, since it is larger than the sum of its proper divisors (164244337921642).

205305422402030 is a wasteful number, since it uses less digits than its factorization.

205305422402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20530542240210.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 205305422402030 its reverse (30204224503502), we get a palindrome (235509646905532).

The spelling of 205305422402030 in words is "two hundred five trillion, three hundred five billion, four hundred twenty-two million, four hundred two thousand, thirty".