205250234112340 has 24 divisors (see below), whose sum is σ = 431046118703592. Its totient is φ = 82096164679680.

The previous prime is 205250234112307. The next prime is 205250234112367. The reversal of 205250234112340 is 43211432052502.

205250234112340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85166947216836 + 120083286895504 = 9228594^2 + 10958252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205250234112296 and 205250234112305.

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, 245131941 + ... + 245967820.

It is an arithmetic number, because the mean of its divisors is an integer number (17960254945983).

Almost surely, 2^{205250234112340} is an apocalyptic number.

205250234112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205250234112340 is an abundant number, since it is smaller than the sum of its proper divisors (225795884591252).

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

205250234112340 is a wasteful number, since it uses less digits than its factorization.

205250234112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491120667 (or 491120665 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 205250234112340 its reverse (43211432052502), we get a palindrome (248461666164842).

The spelling of 205250234112340 in words is "two hundred five trillion, two hundred fifty billion, two hundred thirty-four million, one hundred twelve thousand, three hundred forty".