20002132210323 has 4 divisors (see below), whose sum is σ = 26669509613768. Its totient is φ = 13334754806880.

The previous prime is 20002132210283. The next prime is 20002132210381. The reversal of 20002132210323 is 32301223120002.

It is a happy number.

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

It is not a de Polignac number, because 20002132210323 - 2⁶ = 20002132210259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002132210323.

It is not an unprimeable number, because it can be changed into a prime (20002132212323) 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, 3333688701718 + ... + 3333688701723.

It is an arithmetic number, because the mean of its divisors is an integer number (6667377403442).

Almost surely, 2^{20002132210323} is an apocalyptic number.

20002132210323 is a deficient number, since it is larger than the sum of its proper divisors (6667377403445).

20002132210323 is an equidigital number, since it uses as much as digits as its factorization.

20002132210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667377403444.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20002132210323 its reverse (32301223120002), we get a palindrome (52303355330325).

The spelling of 20002132210323 in words is "twenty trillion, two billion, one hundred thirty-two million, two hundred ten thousand, three hundred twenty-three".