20311330023132 has 12 divisors (see below), whose sum is σ = 47393103387336. Its totient is φ = 6770443341040.

The previous prime is 20311330023109. The next prime is 20311330023161. The reversal of 20311330023132 is 23132003311302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846305417619 + ... + 846305417642.

It is an arithmetic number, because the mean of its divisors is an integer number (3949425282278).

Almost surely, 2^{20311330023132} is an apocalyptic number.

It is an amenable number.

20311330023132 is an abundant number, since it is smaller than the sum of its proper divisors (27081773364204).

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

20311330023132 is a wasteful number, since it uses less digits than its factorization.

20311330023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692610835268 (or 1692610835266 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20311330023132 its reverse (23132003311302), we get a palindrome (43443333334434).

The spelling of 20311330023132 in words is "twenty trillion, three hundred eleven billion, three hundred thirty million, twenty-three thousand, one hundred thirty-two".