20320310222 has 64 divisors (see below), whose sum is σ = 34197064704. Its totient is φ = 9013939200.

The previous prime is 20320310207. The next prime is 20320310233. The reversal of 20320310222 is 22201302302.

It is a super-3 number, since 3×20320310222³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20320310222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5014097 + ... + 5018147.

It is an arithmetic number, because the mean of its divisors is an integer number (534329136).

Almost surely, 2^20320310222 is an apocalyptic number.

20320310222 is a deficient number, since it is larger than the sum of its proper divisors (13876754482).

20320310222 is a wasteful number, since it uses less digits than its factorization.

20320310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20320310222 its reverse (22201302302), we get a palindrome (42521612524).

The spelling of 20320310222 in words is "twenty billion, three hundred twenty million, three hundred ten thousand, two hundred twenty-two".