20001331300212 has 60 divisors (see below), whose sum is σ = 52288779362820. Its totient is φ = 6666938492544.

The previous prime is 20001331300169. The next prime is 20001331300259. The reversal of 20001331300212 is 21200313310002.

20001331300212 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 331 + 300 + 2 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6646063376016 + 13355267924196 = 2577996^2 + 3654486^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12109018 + ... + 13661294.

It is an arithmetic number, because the mean of its divisors is an integer number (871479656047).

Almost surely, 2^{20001331300212} is an apocalyptic number.

It is an amenable number.

20001331300212 is an abundant number, since it is smaller than the sum of its proper divisors (32287448062608).

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

20001331300212 is a wasteful number, since it uses less digits than its factorization.

20001331300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592062 (or 1592051 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20001331300212 its reverse (21200313310002), we get a palindrome (41201644610214).

The spelling of 20001331300212 in words is "twenty trillion, one billion, three hundred thirty-one million, three hundred thousand, two hundred twelve".