201201643364 has 12 divisors (see below), whose sum is σ = 352170898800. Its totient is φ = 100581386568.

The previous prime is 201201643337. The next prime is 201201643367. The reversal of 201201643364 is 463346102102.

It is a self number, because there is not a number n which added to its sum of digits gives 201201643364.

It is not an unprimeable number, because it can be changed into a prime (201201643367) 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, 4835474 + ... + 4876905.

It is an arithmetic number, because the mean of its divisors is an integer number (29347574900).

Almost surely, 2^201201643364 is an apocalyptic number.

It is an amenable number.

201201643364 is a deficient number, since it is larger than the sum of its proper divisors (150969255436).

201201643364 is a wasteful number, since it uses less digits than its factorization.

201201643364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717562 (or 9717560 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 201201643364 its reverse (463346102102), we get a palindrome (664547745466).

The spelling of 201201643364 in words is "two hundred one billion, two hundred one million, six hundred forty-three thousand, three hundred sixty-four".