20001200220112 has 80 divisors (see below), whose sum is σ = 39428809430400. Its totient is φ = 9827640921600.

The previous prime is 20001200220097. The next prime is 20001200220119. The reversal of 20001200220112 is 21102200210002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001200220092 and 20001200220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001200220119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260492287 + ... + 260569057.

It is an arithmetic number, because the mean of its divisors is an integer number (492860117880).

Almost surely, 2^{20001200220112} is an apocalyptic number.

It is an amenable number.

20001200220112 is a deficient number, since it is larger than the sum of its proper divisors (19427609210288).

20001200220112 is a wasteful number, since it uses less digits than its factorization.

20001200220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78092 (or 78086 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20001200220112 its reverse (21102200210002), we get a palindrome (41103400430114).

The spelling of 20001200220112 in words is "twenty trillion, one billion, two hundred million, two hundred twenty thousand, one hundred twelve".