205522135435 has 16 divisors (see below), whose sum is σ = 256499163360. Its totient is φ = 157961341440.

The previous prime is 205522135421. The next prime is 205522135439. The reversal of 205522135435 is 534531225502.

It is not a de Polignac number, because 205522135435 - 2¹³ = 205522127243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205522135394 and 205522135403.

It is not an unprimeable number, because it can be changed into a prime (205522135439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7822270 + ... + 7848499.

It is an arithmetic number, because the mean of its divisors is an integer number (16031197710).

Almost surely, 2^205522135435 is an apocalyptic number.

205522135435 is a deficient number, since it is larger than the sum of its proper divisors (50977027925).

205522135435 is a wasteful number, since it uses less digits than its factorization.

205522135435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670878.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 205522135435 in words is "two hundred five billion, five hundred twenty-two million, one hundred thirty-five thousand, four hundred thirty-five".