205250433345130 has 16 divisors (see below), whose sum is σ = 369503854529544. Its totient is φ = 82088379002880.

The previous prime is 205250433345109. The next prime is 205250433345149. The reversal of 205250433345130 is 31543334052502.

It can be written as a sum of positive squares in 4 ways, for example, as 123732630449289 + 81517802895841 = 11123517^2 + 9028721^2 .

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, 1474218807 + ... + 1474358026.

Almost surely, 2^{205250433345130} is an apocalyptic number.

205250433345130 is a deficient number, since it is larger than the sum of its proper divisors (164253421184414).

205250433345130 is a wasteful number, since it uses less digits than its factorization.

205250433345130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948583801.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 205250433345130 its reverse (31543334052502), we get a palindrome (236793767397632).

The spelling of 205250433345130 in words is "two hundred five trillion, two hundred fifty billion, four hundred thirty-three million, three hundred forty-five thousand, one hundred thirty".