20213133322112 has 32 divisors (see below), whose sum is σ = 40270887082920. Its totient is φ = 10105930289664.

The previous prime is 20213133322093. The next prime is 20213133322127. The reversal of 20213133322112 is 21122333131202.

It is a tau number, because it is divible by the number of its divisors (32).

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, 2927603 + ... + 6999794.

Almost surely, 2^{20213133322112} is an apocalyptic number.

It is an amenable number.

20213133322112 is a deficient number, since it is larger than the sum of its proper divisors (20057753760808).

20213133322112 is an equidigital number, since it uses as much as digits as its factorization.

20213133322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943318 (or 9943306 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20213133322112 its reverse (21122333131202), we get a palindrome (41335466453314).

The spelling of 20213133322112 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred twelve".