206115202004 has 24 divisors (see below), whose sum is σ = 375753100800. Its totient is φ = 98818172640.

The previous prime is 206115202001. The next prime is 206115202037. The reversal of 206115202004 is 400202511602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206115202001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611344 + ... + 7638375.

It is an arithmetic number, because the mean of its divisors is an integer number (15656379200).

Almost surely, 2^206115202004 is an apocalyptic number.

It is an amenable number.

206115202004 is a deficient number, since it is larger than the sum of its proper divisors (169637898796).

206115202004 is a wasteful number, since it uses less digits than its factorization.

206115202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15249863 (or 15249861 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 206115202004 its reverse (400202511602), we get a palindrome (606317713606).

The spelling of 206115202004 in words is "two hundred six billion, one hundred fifteen million, two hundred two thousand, four".