201366436 has 12 divisors (see below), whose sum is σ = 354964428. Its totient is φ = 99948032.

The previous prime is 201366433. The next prime is 201366443. The reversal of 201366436 is 634663102.

It can be written as a sum of positive squares in 2 ways, for example, as 85932900 + 115433536 = 9270^2 + 10744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201366398 and 201366407.

It is not an unprimeable number, because it can be changed into a prime (201366433) 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, 183181 + ... + 184276.

It is an arithmetic number, because the mean of its divisors is an integer number (29580369).

Almost surely, 2^201366436 is an apocalyptic number.

It is an amenable number.

201366436 is a deficient number, since it is larger than the sum of its proper divisors (153597992).

201366436 is a wasteful number, since it uses less digits than its factorization.

201366436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367598 (or 367596 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 201366436 is about 14190.3641954673. The cubic root of 201366436 is about 586.1323537082.

The spelling of 201366436 in words is "two hundred one million, three hundred sixty-six thousand, four hundred thirty-six".