205260126545422 has 64 divisors (see below), whose sum is σ = 348968943308160. Its totient is φ = 89881931865600.

The previous prime is 205260126545401. The next prime is 205260126545429. The reversal of 205260126545422 is 224545621062502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205260126545429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45255528 + ... + 49584100.

It is an arithmetic number, because the mean of its divisors is an integer number (5452639739190).

Almost surely, 2^{205260126545422} is an apocalyptic number.

205260126545422 is a deficient number, since it is larger than the sum of its proper divisors (143708816762738).

205260126545422 is a wasteful number, since it uses less digits than its factorization.

205260126545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329709.

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 205260126545422 in words is "two hundred five trillion, two hundred sixty billion, one hundred twenty-six million, five hundred forty-five thousand, four hundred twenty-two".