20331030132133 has 32 divisors (see below), whose sum is σ = 24635651040000. Its totient is φ = 16379246690304.

The previous prime is 20331030132097. The next prime is 20331030132137. The reversal of 20331030132133 is 33123103013302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331030132133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20331030132098 and 20331030132107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331030132137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642375093 + ... + 642406741.

It is an arithmetic number, because the mean of its divisors is an integer number (769864095000).

Almost surely, 2^{20331030132133} is an apocalyptic number.

It is an amenable number.

20331030132133 is a deficient number, since it is larger than the sum of its proper divisors (4304620907867).

20331030132133 is a wasteful number, since it uses less digits than its factorization.

20331030132133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38829.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20331030132133 its reverse (33123103013302), we get a palindrome (53454133145435).

The spelling of 20331030132133 in words is "twenty trillion, three hundred thirty-one billion, thirty million, one hundred thirty-two thousand, one hundred thirty-three".