206504204034 has 16 divisors (see below), whose sum is σ = 413113841280. Its totient is φ = 68817162480.

The previous prime is 206504204029. The next prime is 206504204063. The reversal of 206504204034 is 430402405602.

It is a super-3 number, since 3×206504204034³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206504203992 and 206504204010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367577 + ... + 4414604.

It is an arithmetic number, because the mean of its divisors is an integer number (25819615080).

Almost surely, 2^206504204034 is an apocalyptic number.

206504204034 is an abundant number, since it is smaller than the sum of its proper divisors (206609637246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206504204034 is a wasteful number, since it uses less digits than its factorization.

206504204034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786105.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 206504204034 its reverse (430402405602), we get a palindrome (636906609636).

The spelling of 206504204034 in words is "two hundred six billion, five hundred four million, two hundred four thousand, thirty-four".