20011111200223 has 16 divisors (see below), whose sum is σ = 24009760567296. Its totient is φ = 16435252758240.

The previous prime is 20011111200203. The next prime is 20011111200229. The reversal of 20011111200223 is 32200211111002.

It is a cyclic number.

It is not a de Polignac number, because 20011111200223 - 2⁹ = 20011111199711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011111200197 and 20011111200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011111200229) 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, 1488693711 + ... + 1488707152.

It is an arithmetic number, because the mean of its divisors is an integer number (1500610035456).

Almost surely, 2^{20011111200223} is an apocalyptic number.

20011111200223 is a deficient number, since it is larger than the sum of its proper divisors (3998649367073).

20011111200223 is a wasteful number, since it uses less digits than its factorization.

20011111200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977400934.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20011111200223 its reverse (32200211111002), we get a palindrome (52211322311225).

The spelling of 20011111200223 in words is "twenty trillion, eleven billion, one hundred eleven million, two hundred thousand, two hundred twenty-three".