20011100214323 has 4 divisors (see below), whose sum is σ = 21188223756360. Its totient is φ = 18833976672288.

The previous prime is 20011100214233. The next prime is 20011100214373. The reversal of 20011100214323 is 32341200111002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011100214323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011100214295 and 20011100214304.

It is not an unprimeable number, because it can be changed into a prime (20011100214373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588561770993 + ... + 588561771026.

It is an arithmetic number, because the mean of its divisors is an integer number (5297055939090).

Almost surely, 2^{20011100214323} is an apocalyptic number.

20011100214323 is a deficient number, since it is larger than the sum of its proper divisors (1177123542037).

20011100214323 is a wasteful number, since it uses less digits than its factorization.

20011100214323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177123542036.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20011100214323 its reverse (32341200111002), we get a palindrome (52352300325325).

The spelling of 20011100214323 in words is "twenty trillion, eleven billion, one hundred million, two hundred fourteen thousand, three hundred twenty-three".