20000221022112 has 384 divisors, whose sum is σ = 57560378174208. Its totient is φ = 6055703347200.

The previous prime is 20000221022083. The next prime is 20000221022123. The reversal of 20000221022112 is 21122012200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000221022091 and 20000221022100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2447703787 + ... + 2447711957.

It is an arithmetic number, because the mean of its divisors is an integer number (149896818162).

Almost surely, 2^{20000221022112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000221022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28780189087104).

20000221022112 is an abundant number, since it is smaller than the sum of its proper divisors (37560157152096).

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

20000221022112 is a wasteful number, since it uses less digits than its factorization.

20000221022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632 (or 8624 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20000221022112 its reverse (21122012200002), we get a palindrome (41122233222114).

The spelling of 20000221022112 in words is "twenty trillion, two hundred twenty-one million, twenty-two thousand, one hundred twelve".