20011343223201 has 16 divisors (see below), whose sum is σ = 29107981851840. Its totient is φ = 12127847832320.

The previous prime is 20011343223199. The next prime is 20011343223227. The reversal of 20011343223201 is 10232234311002.

It is not a de Polignac number, because 20011343223201 - 2¹ = 20011343223199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011343923201) 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, 4266780 + ... + 7630733.

It is an arithmetic number, because the mean of its divisors is an integer number (1819248865740).

Almost surely, 2^{20011343223201} is an apocalyptic number.

It is an amenable number.

20011343223201 is a deficient number, since it is larger than the sum of its proper divisors (9096638628639).

20011343223201 is a wasteful number, since it uses less digits than its factorization.

20011343223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948496.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20011343223201 its reverse (10232234311002), we get a palindrome (30243577534203).

The spelling of 20011343223201 in words is "twenty trillion, eleven billion, three hundred forty-three million, two hundred twenty-three thousand, two hundred one".