20023633064111 has 32 divisors (see below), whose sum is σ = 21382245511680. Its totient is φ = 18714946320000.

The previous prime is 20023633064107. The next prime is 20023633064131. The reversal of 20023633064111 is 11146033632002.

It is not a de Polignac number, because 20023633064111 - 2² = 20023633064107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023633064131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721532486 + ... + 721560236.

It is an arithmetic number, because the mean of its divisors is an integer number (668195172240).

Almost surely, 2^{20023633064111} is an apocalyptic number.

20023633064111 is a deficient number, since it is larger than the sum of its proper divisors (1358612447569).

20023633064111 is a wasteful number, since it uses less digits than its factorization.

20023633064111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31215.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 20023633064111 its reverse (11146033632002), we get a palindrome (31169666696113).

The spelling of 20023633064111 in words is "twenty trillion, twenty-three billion, six hundred thirty-three million, sixty-four thousand, one hundred eleven".