205143242262304 has 12 divisors (see below), whose sum is σ = 403875758203974. Its totient is φ = 102571621131136.

The previous prime is 205143242262253. The next prime is 205143242262349. The reversal of 205143242262304 is 403262242341502.

It can be written as a sum of positive squares in only one way, i.e., 204202613842704 + 940628419600 = 14289948^2 + 969860^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205363160317 + ... + 3205363160380.

Almost surely, 2^{205143242262304} is an apocalyptic number.

It is an amenable number.

205143242262304 is a deficient number, since it is larger than the sum of its proper divisors (198732515941670).

205143242262304 is an equidigital number, since it uses as much as digits as its factorization.

205143242262304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410726320707 (or 6410726320699 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 205143242262304 in words is "two hundred five trillion, one hundred forty-three billion, two hundred forty-two million, two hundred sixty-two thousand, three hundred four".