20112220310322 has 32 divisors (see below), whose sum is σ = 46444714952832. Its totient is φ = 5687107951104.

The previous prime is 20112220310309. The next prime is 20112220310333. The reversal of 20112220310322 is 22301302221102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2468358753 + ... + 2468366900.

It is an arithmetic number, because the mean of its divisors is an integer number (1451397342276).

Almost surely, 2^{20112220310322} is an apocalyptic number.

20112220310322 is an abundant number, since it is smaller than the sum of its proper divisors (26332494642510).

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

20112220310322 is a wasteful number, since it uses less digits than its factorization.

20112220310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936725762.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20112220310322 its reverse (22301302221102), we get a palindrome (42413522531424).

The spelling of 20112220310322 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, three hundred ten thousand, three hundred twenty-two".