20000312311132 has 12 divisors (see below), whose sum is σ = 35000578942560. Its totient is φ = 10000146898976.

The previous prime is 20000312311079. The next prime is 20000312311153. The reversal of 20000312311132 is 23111321300002.

It is a super-2 number, since 2×20000312311132² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417568 + ... + 8327704.

It is an arithmetic number, because the mean of its divisors is an integer number (2916714911880).

Almost surely, 2^{20000312311132} is an apocalyptic number.

It is an amenable number.

20000312311132 is a deficient number, since it is larger than the sum of its proper divisors (15000266631428).

20000312311132 is a wasteful number, since it uses less digits than its factorization.

20000312311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628300 (or 4628298 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20000312311132 its reverse (23111321300002), we get a palindrome (43111633611134).

The spelling of 20000312311132 in words is "twenty trillion, three hundred twelve million, three hundred eleven thousand, one hundred thirty-two".