20000132321231 has 4 divisors (see below), whose sum is σ = 20224852909200. Its totient is φ = 19775411733264.

The previous prime is 20000132321189. The next prime is 20000132321291. The reversal of 20000132321231 is 13212323100002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000132321231 - 2¹⁸ = 20000132059087 is a prime.

It is a super-2 number, since 2×20000132321231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000132321291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112360293851 + ... + 112360294028.

It is an arithmetic number, because the mean of its divisors is an integer number (5056213227300).

Almost surely, 2^{20000132321231} is an apocalyptic number.

20000132321231 is a deficient number, since it is larger than the sum of its proper divisors (224720587969).

20000132321231 is an equidigital number, since it uses as much as digits as its factorization.

20000132321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224720587968.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20000132321231 its reverse (13212323100002), we get a palindrome (33212455421233).

The spelling of 20000132321231 in words is "twenty trillion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-one".