205114340 has 12 divisors (see below), whose sum is σ = 430740156. Its totient is φ = 82045728.

The previous prime is 205114319. The next prime is 205114379. The reversal of 205114340 is 43411502.

It can be written as a sum of positive squares in 2 ways, for example, as 43112356 + 162001984 = 6566^2 + 12728^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10255717 = 205114340 / (2 + 0 + 5 + 1 + 1 + 4 + 3 + 4 + 0).

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, 5127839 + ... + 5127878.

It is an arithmetic number, because the mean of its divisors is an integer number (35895013).

Almost surely, 2^205114340 is an apocalyptic number.

205114340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205114340 is an abundant number, since it is smaller than the sum of its proper divisors (225625816).

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

205114340 is a wasteful number, since it uses less digits than its factorization.

205114340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255726 (or 10255724 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 205114340 is about 14321.8134326628. The cubic root of 205114340 is about 589.7464581390.

Adding to 205114340 its reverse (43411502), we get a palindrome (248525842).

The spelling of 205114340 in words is "two hundred five million, one hundred fourteen thousand, three hundred forty".