20031231202322 has 128 divisors (see below), whose sum is σ = 33223550976000. Its totient is φ = 9022388601600.

The previous prime is 20031231202313. The next prime is 20031231202327. The reversal of 20031231202322 is 22320213213002.

It is not an unprimeable number, because it can be changed into a prime (20031231202327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9356015372 + ... + 9356017512.

It is an arithmetic number, because the mean of its divisors is an integer number (259558992000).

Almost surely, 2^{20031231202322} is an apocalyptic number.

20031231202322 is a deficient number, since it is larger than the sum of its proper divisors (13192319773678).

20031231202322 is a wasteful number, since it uses less digits than its factorization.

20031231202322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20031231202322 its reverse (22320213213002), we get a palindrome (42351444415324).

The spelling of 20031231202322 in words is "twenty trillion, thirty-one billion, two hundred thirty-one million, two hundred two thousand, three hundred twenty-two".