205822124 has 24 divisors (see below), whose sum is σ = 381470208. Its totient is φ = 96964560.

The previous prime is 205822121. The next prime is 205822129. The reversal of 205822124 is 421228502.

It is a junction number, because it is equal to n+sod(n) for n = 205822093 and 205822102.

It is not an unprimeable number, because it can be changed into a prime (205822121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10532 + ... + 22859.

It is an arithmetic number, because the mean of its divisors is an integer number (15894592).

Almost surely, 2^205822124 is an apocalyptic number.

It is an amenable number.

205822124 is a deficient number, since it is larger than the sum of its proper divisors (175648084).

205822124 is a wasteful number, since it uses less digits than its factorization.

205822124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33485 (or 33483 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 205822124 is about 14346.5021520927. The cubic root of 205822124 is about 590.4240215340.

The spelling of 205822124 in words is "two hundred five million, eight hundred twenty-two thousand, one hundred twenty-four".