205386736124 has 6 divisors (see below), whose sum is σ = 359426788224. Its totient is φ = 102693368060.

The previous prime is 205386736097. The next prime is 205386736127. The reversal of 205386736124 is 421637683502.

205386736124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205386736124² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205386736127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673342012 + ... + 25673342019.

It is an arithmetic number, because the mean of its divisors is an integer number (59904464704).

Almost surely, 2^205386736124 is an apocalyptic number.

It is an amenable number.

205386736124 is a deficient number, since it is larger than the sum of its proper divisors (154040052100).

205386736124 is a wasteful number, since it uses less digits than its factorization.

205386736124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51346684035 (or 51346684033 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 205386736124 in words is "two hundred five billion, three hundred eighty-six million, seven hundred thirty-six thousand, one hundred twenty-four".