20323110213011 has 16 divisors (see below), whose sum is σ = 20596432896000. Its totient is φ = 20051631852000.

The previous prime is 20323110212869. The next prime is 20323110213047. The reversal of 20323110213011 is 11031201132302.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323110213011 is a prime.

It is a super-2 number, since 2×20323110213011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323110215011) 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, 501054950 + ... + 501095508.

It is an arithmetic number, because the mean of its divisors is an integer number (1287277056000).

Almost surely, 2^{20323110213011} is an apocalyptic number.

20323110213011 is a deficient number, since it is larger than the sum of its proper divisors (273322682989).

20323110213011 is a wasteful number, since it uses less digits than its factorization.

20323110213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63130.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20323110213011 its reverse (11031201132302), we get a palindrome (31354311345313).

The spelling of 20323110213011 in words is "twenty trillion, three hundred twenty-three billion, one hundred ten million, two hundred thirteen thousand, eleven".