20202222112 has 24 divisors (see below), whose sum is σ = 41866448400. Its totient is φ = 9569473344.

The previous prime is 20202222059. The next prime is 20202222127. The reversal of 20202222112 is 21122220202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16613062 + ... + 16614277.

It is an arithmetic number, because the mean of its divisors is an integer number (1744435350).

Almost surely, 2^20202222112 is an apocalyptic number.

It is an amenable number.

20202222112 is an abundant number, since it is smaller than the sum of its proper divisors (21664226288).

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

20202222112 is a wasteful number, since it uses less digits than its factorization.

20202222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33227368 (or 33227360 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20202222112 its reverse (21122220202), we get a palindrome (41324442314).

The spelling of 20202222112 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".