20001020201112 has 16 divisors (see below), whose sum is σ = 50002550502840. Its totient is φ = 6667006733696.

The previous prime is 20001020201089. The next prime is 20001020201119. The reversal of 20001020201112 is 21110202010002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001020201119) 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, 416687920833 + ... + 416687920880.

Almost surely, 2^{20001020201112} is an apocalyptic number.

It is an amenable number.

20001020201112 is an abundant number, since it is smaller than the sum of its proper divisors (30001530301728).

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

20001020201112 is a wasteful number, since it uses less digits than its factorization.

20001020201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833375841722 (or 833375841718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001020201112 its reverse (21110202010002), we get a palindrome (41111222211114).

The spelling of 20001020201112 in words is "twenty trillion, one billion, twenty million, two hundred one thousand, one hundred twelve".