201768436 has 12 divisors (see below), whose sum is σ = 359079840. Its totient is φ = 99174200.

The previous prime is 201768433. The next prime is 201768517. The reversal of 201768436 is 634867102.

201768436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201768395 and 201768404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201768433) 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, 427240 + ... + 427711.

It is an arithmetic number, because the mean of its divisors is an integer number (29923320).

Almost surely, 2^201768436 is an apocalyptic number.

It is an amenable number.

201768436 is a deficient number, since it is larger than the sum of its proper divisors (157311404).

201768436 is a wasteful number, since it uses less digits than its factorization.

201768436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855014 (or 855012 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 201768436 is about 14204.5216744528. The cubic root of 201768436 is about 586.5221382670.

The spelling of 201768436 in words is "two hundred one million, seven hundred sixty-eight thousand, four hundred thirty-six".