205310712 has 32 divisors (see below), whose sum is σ = 513648000. Its totient is φ = 68387424.

The previous prime is 205310701. The next prime is 205310723. The reversal of 205310712 is 217013502.

It is an interprime number because it is at equal distance from previous prime (205310701) and next prime (205310723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48039 + ... + 52137.

It is an arithmetic number, because the mean of its divisors is an integer number (16051500).

Almost surely, 2^205310712 is an apocalyptic number.

It is an amenable number.

205310712 is an abundant number, since it is smaller than the sum of its proper divisors (308337288).

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

205310712 is a wasteful number, since it uses less digits than its factorization.

205310712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195 (or 6191 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 205310712 is about 14328.6674886397. The cubic root of 205310712 is about 589.9346015801.

The spelling of 205310712 in words is "two hundred five million, three hundred ten thousand, seven hundred twelve".