201091950682 has 32 divisors (see below), whose sum is σ = 372680081280. Its totient is φ = 79439693760.

The previous prime is 201091950677. The next prime is 201091950707. The reversal of 201091950682 is 286059190102.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10206169 + ... + 10225852.

It is an arithmetic number, because the mean of its divisors is an integer number (11646252540).

Almost surely, 2^201091950682 is an apocalyptic number.

201091950682 is a deficient number, since it is larger than the sum of its proper divisors (171588130598).

201091950682 is a wasteful number, since it uses less digits than its factorization.

201091950682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432086.

The product of its (nonzero) digits is 77760, while the sum is 43.

It can be divided in two parts, 20109 and 1950682, that added together give a palindrome (1970791).

The spelling of 201091950682 in words is "two hundred one billion, ninety-one million, nine hundred fifty thousand, six hundred eighty-two".