20002133323 has 4 divisors (see below), whose sum is σ = 20002739400. Its totient is φ = 20001527248.

The previous prime is 20002133303. The next prime is 20002133329. The reversal of 20002133323 is 32333120002.

It is a happy number.

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 20002133323 - 2⁹ = 20002132811 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 20002133323.

It is not an unprimeable number, because it can be changed into a prime (20002133329) 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, 250498 + ... + 320551.

It is an arithmetic number, because the mean of its divisors is an integer number (5000684850).

Almost surely, 2^20002133323 is an apocalyptic number.

20002133323 is a deficient number, since it is larger than the sum of its proper divisors (606077).

20002133323 is an equidigital number, since it uses as much as digits as its factorization.

20002133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606076.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20002133323 its reverse (32333120002), we get a palindrome (52335253325).

The spelling of 20002133323 in words is "twenty billion, two million, one hundred thirty-three thousand, three hundred twenty-three".