201020013330020 has 96 divisors (see below), whose sum is σ = 454579702684800. Its totient is φ = 74443208039424.

The previous prime is 201020013330013. The next prime is 201020013330061. The reversal of 201020013330020 is 20033310020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30217514 + ... + 36264833.

It is an arithmetic number, because the mean of its divisors is an integer number (4735205236300).

Almost surely, 2^{201020013330020} is an apocalyptic number.

201020013330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020013330020 is an abundant number, since it is smaller than the sum of its proper divisors (253559689354780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201020013330020 is a wasteful number, since it uses less digits than its factorization.

201020013330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66482557 (or 66482555 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201020013330020 its reverse (20033310020102), we get a palindrome (221053323350122).

The spelling of 201020013330020 in words is "two hundred one trillion, twenty billion, thirteen million, three hundred thirty thousand, twenty".