4000206204 has 18 divisors (see below), whose sum is σ = 10111632440. Its totient is φ = 1333402056.

The previous prime is 4000206187. The next prime is 4000206209. The reversal of 4000206204 is 4026020004.

4000206204 is a `hidden beast` number, since 40 + 0 + 0 + 2 + 0 + 620 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000206209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55558384 + ... + 55558455.

Almost surely, 2^4000206204 is an apocalyptic number.

It is an amenable number.

4000206204 is an abundant number, since it is smaller than the sum of its proper divisors (6111426236).

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

4000206204 is a wasteful number, since it uses less digits than its factorization.

4000206204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111116849 (or 111116844 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4000206204 is about 63247.1833681153. The cubic root of 4000206204 is about 1587.4283288700.

Adding to 4000206204 its reverse (4026020004), we get a palindrome (8026226208).

The spelling of 4000206204 in words is "four billion, two hundred six thousand, two hundred four".