20201224201112 has 16 divisors (see below), whose sum is σ = 37877467722000. Its totient is φ = 10100566141920.

The previous prime is 20201224201069. The next prime is 20201224201139. The reversal of 20201224201112 is 21110242210202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839564 + ... + 7425947.

It is an arithmetic number, because the mean of its divisors is an integer number (2367341732625).

Almost surely, 2^{20201224201112} is an apocalyptic number.

It is an amenable number.

20201224201112 is a deficient number, since it is larger than the sum of its proper divisors (17676243520888).

20201224201112 is a wasteful number, since it uses less digits than its factorization.

20201224201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489666 (or 11489662 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20201224201112 its reverse (21110242210202), we get a palindrome (41311466411314).

The spelling of 20201224201112 in words is "twenty trillion, two hundred one billion, two hundred twenty-four million, two hundred one thousand, one hundred twelve".