20011230331134 has 64 divisors (see below), whose sum is σ = 47847673728000. Its totient is φ = 5455269388800.

The previous prime is 20011230331121. The next prime is 20011230331159. The reversal of 20011230331134 is 43113303211002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25442509 + ... + 26217240.

It is an arithmetic number, because the mean of its divisors is an integer number (747619902000).

Almost surely, 2^{20011230331134} is an apocalyptic number.

20011230331134 is an abundant number, since it is smaller than the sum of its proper divisors (27836443396866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011230331134 is a wasteful number, since it uses less digits than its factorization.

20011230331134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51660185.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20011230331134 its reverse (43113303211002), we get a palindrome (63124533542136).

The spelling of 20011230331134 in words is "twenty trillion, eleven billion, two hundred thirty million, three hundred thirty-one thousand, one hundred thirty-four".