20312222110 has 32 divisors (see below), whose sum is σ = 36982606752. Its totient is φ = 8031676800.

The previous prime is 20312222089. The next prime is 20312222111. The reversal of 20312222110 is 1122221302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312222111) 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, 633792 + ... + 665068.

It is an arithmetic number, because the mean of its divisors is an integer number (1155706461).

Almost surely, 2^20312222110 is an apocalyptic number.

20312222110 is a deficient number, since it is larger than the sum of its proper divisors (16670384642).

20312222110 is a wasteful number, since it uses less digits than its factorization.

20312222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32028.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20312222110 its reverse (1122221302), we get a palindrome (21434443412).

The spelling of 20312222110 in words is "twenty billion, three hundred twelve million, two hundred twenty-two thousand, one hundred ten".