205435075070 has 8 divisors (see below), whose sum is σ = 369783135144. Its totient is φ = 82174030024.

The previous prime is 205435075037. The next prime is 205435075171. The reversal of 205435075070 is 70570534502.

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, 10271753744 + ... + 10271753763.

It is an arithmetic number, because the mean of its divisors is an integer number (46222891893).

Almost surely, 2^205435075070 is an apocalyptic number.

205435075070 is a deficient number, since it is larger than the sum of its proper divisors (164348060074).

205435075070 is a wasteful number, since it uses less digits than its factorization.

205435075070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20543507514.

The product of its (nonzero) digits is 147000, while the sum is 38.

The spelling of 205435075070 in words is "two hundred five billion, four hundred thirty-five million, seventy-five thousand, seventy".