205004435352124 has 24 divisors (see below), whose sum is σ = 377694110424960. Its totient is φ = 97093385547696.

The previous prime is 205004435352097. The next prime is 205004435352131. The reversal of 205004435352124 is 421253534400502.

It is a super-2 number, since 2×205004435352124² (a number of 29 digits) contains 22 as substring.

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, 193615312 + ... + 194671255.

It is an arithmetic number, because the mean of its divisors is an integer number (15737254601040).

Almost surely, 2^{205004435352124} is an apocalyptic number.

It is an amenable number.

205004435352124 is a deficient number, since it is larger than the sum of its proper divisors (172689675072836).

205004435352124 is a wasteful number, since it uses less digits than its factorization.

205004435352124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388293537 (or 388293535 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 205004435352124 its reverse (421253534400502), we get a palindrome (626257969752626).

The spelling of 205004435352124 in words is "two hundred five trillion, four billion, four hundred thirty-five million, three hundred fifty-two thousand, one hundred twenty-four".