20220112320 has 112 divisors (see below), whose sum is σ = 65078518560. Its totient is φ = 5318148096.

The previous prime is 20220112271. The next prime is 20220112349. The reversal of 20220112320 is 2321102202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20220112320.

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 15 ways as a sum of consecutive naturals, for example, 74185 + ... + 214344.

Almost surely, 2^20220112320 is an apocalyptic number.

20220112320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220112320 is an abundant number, since it is smaller than the sum of its proper divisors (44858406240).

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

20220112320 is a wasteful number, since it uses less digits than its factorization.

20220112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288622 (or 288612 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20220112320 its reverse (2321102202), we get a palindrome (22541214522).

The spelling of 20220112320 in words is "twenty billion, two hundred twenty million, one hundred twelve thousand, three hundred twenty".