20222012112 has 160 divisors (see below), whose sum is σ = 54292239360. Its totient is φ = 6482488320.

The previous prime is 20222012089. The next prime is 20222012191. The reversal of 20222012112 is 21121022202.

It is a junction number, because it is equal to n+sod(n) for n = 20222012091 and 20222012100.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 32774428 + ... + 32775044.

It is an arithmetic number, because the mean of its divisors is an integer number (339326496).

Almost surely, 2^20222012112 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 20222012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27146119680).

20222012112 is an abundant number, since it is smaller than the sum of its proper divisors (34070227248).

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

20222012112 is a wasteful number, since it uses less digits than its factorization.

20222012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 915 counting only the distinct ones).

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

Adding to 20222012112 its reverse (21121022202), we get a palindrome (41343034314).

The spelling of 20222012112 in words is "twenty billion, two hundred twenty-two million, twelve thousand, one hundred twelve".