206112004 has 12 divisors (see below), whose sum is σ = 412224064. Its totient is φ = 88333704.

The previous prime is 206112001. The next prime is 206112037. The reversal of 206112004 is 400211602.

206112004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (206112001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680544 + ... + 3680599.

Almost surely, 2^206112004 is an apocalyptic number.

It is an amenable number.

206112004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206112004 is a wasteful number, since it uses less digits than its factorization.

206112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361154 (or 7361152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 206112004 is about 14356.6014084114. The cubic root of 206112004 is about 590.7010760193.

Adding to 206112004 its reverse (400211602), we get a palindrome (606323606).

The spelling of 206112004 in words is "two hundred six million, one hundred twelve thousand, four".