206054442124 has 24 divisors (see below), whose sum is σ = 376347299328. Its totient is φ = 98528403600.

The previous prime is 206054442109. The next prime is 206054442133. The reversal of 206054442124 is 421244450602.

It is a self number, because there is not a number n which added to its sum of digits gives 206054442124.

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, 255949 + ... + 691099.

It is an arithmetic number, because the mean of its divisors is an integer number (15681137472).

Almost surely, 2^206054442124 is an apocalyptic number.

It is an amenable number.

206054442124 is a deficient number, since it is larger than the sum of its proper divisors (170292857204).

206054442124 is a wasteful number, since it uses less digits than its factorization.

206054442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440325 (or 440323 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 206054442124 its reverse (421244450602), we get a palindrome (627298892726).

The spelling of 206054442124 in words is "two hundred six billion, fifty-four million, four hundred forty-two thousand, one hundred twenty-four".