20002222111323 has 32 divisors (see below), whose sum is σ = 27551819796480. Its totient is φ = 12894406312320.

The previous prime is 20002222111253. The next prime is 20002222111381. The reversal of 20002222111323 is 32311122220002.

It is not a de Polignac number, because 20002222111323 - 2⁹ = 20002222110811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002222111323.

It is not an unprimeable number, because it can be changed into a prime (20002222111393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520034618 + ... + 1520047776.

It is an arithmetic number, because the mean of its divisors is an integer number (860994368640).

Almost surely, 2^{20002222111323} is an apocalyptic number.

20002222111323 is a deficient number, since it is larger than the sum of its proper divisors (7549597685157).

20002222111323 is a wasteful number, since it uses less digits than its factorization.

20002222111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24939.

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

Adding to 20002222111323 its reverse (32311122220002), we get a palindrome (52313344331325).

The spelling of 20002222111323 in words is "twenty trillion, two billion, two hundred twenty-two million, one hundred eleven thousand, three hundred twenty-three".