20011230331132 has 24 divisors (see below), whose sum is σ = 35182640170496. Its totient is φ = 9959062600368.

The previous prime is 20011230331121. The next prime is 20011230331159. The reversal of 20011230331132 is 23113303211002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389503 + ... + 7177129.

Almost surely, 2^{20011230331132} is an apocalyptic number.

It is an amenable number.

20011230331132 is a deficient number, since it is larger than the sum of its proper divisors (15171409839364).

20011230331132 is a wasteful number, since it uses less digits than its factorization.

20011230331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793777 (or 3793775 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20011230331132 its reverse (23113303211002), we get a palindrome (43124533542134).

The spelling of 20011230331132 in words is "twenty trillion, eleven billion, two hundred thirty million, three hundred thirty-one thousand, one hundred thirty-two".