201342436 has 12 divisors (see below), whose sum is σ = 353623228. Its totient is φ = 100307232.

The previous prime is 201342433. The next prime is 201342451. The reversal of 201342436 is 634243102.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 174240000 = 5206^2 + 13200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201342436.

It is not an unprimeable number, because it can be changed into a prime (201342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89751 + ... + 91966.

Almost surely, 2^201342436 is an apocalyptic number.

It is an amenable number.

201342436 is a deficient number, since it is larger than the sum of its proper divisors (152280792).

201342436 is a wasteful number, since it uses less digits than its factorization.

201342436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181998 (or 181996 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 201342436 is about 14189.5185260107. The cubic root of 201342436 is about 586.1090665843.

Adding to 201342436 its reverse (634243102), we get a palindrome (835585538).

The spelling of 201342436 in words is "two hundred one million, three hundred forty-two thousand, four hundred thirty-six".