205273053270 has 48 divisors (see below), whose sum is σ = 533798424432. Its totient is φ = 54730405440.

The previous prime is 205273053259. The next prime is 205273053277. The reversal of 205273053270 is 72350372502.

205273053270 is a `hidden beast` number, since 2 + 0 + 5 + 27 + 30 + 532 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205273053277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365784 + ... + 737796.

It is an arithmetic number, because the mean of its divisors is an integer number (11120800509).

Almost surely, 2^205273053270 is an apocalyptic number.

205273053270 is an abundant number, since it is smaller than the sum of its proper divisors (328525371162).

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

205273053270 is a wasteful number, since it uses less digits than its factorization.

205273053270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378157 (or 378154 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The spelling of 205273053270 in words is "two hundred five billion, two hundred seventy-three million, fifty-three thousand, two hundred seventy".