20320310112222 has 32 divisors (see below), whose sum is σ = 41029472381184. Its totient is φ = 6708916692800.

The previous prime is 20320310112203. The next prime is 20320310112229. The reversal of 20320310112222 is 22221101302302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320310112229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35803404 + ... + 36366527.

It is an arithmetic number, because the mean of its divisors is an integer number (1282171011912).

Almost surely, 2^{20320310112222} is an apocalyptic number.

20320310112222 is an abundant number, since it is smaller than the sum of its proper divisors (20709162268962).

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

20320310112222 is a wasteful number, since it uses less digits than its factorization.

20320310112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72170384.

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

Adding to 20320310112222 its reverse (22221101302302), we get a palindrome (42541411414524).

The spelling of 20320310112222 in words is "twenty trillion, three hundred twenty billion, three hundred ten million, one hundred twelve thousand, two hundred twenty-two".