20002130230233 has 4 divisors (see below), whose sum is σ = 26669506973648. Its totient is φ = 13334753486820.

The previous prime is 20002130230157. The next prime is 20002130230297. The reversal of 20002130230233 is 33203203120002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-20002130230233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20002130230333) 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, 3333688371703 + ... + 3333688371708.

It is an arithmetic number, because the mean of its divisors is an integer number (6667376743412).

Almost surely, 2^{20002130230233} is an apocalyptic number.

It is an amenable number.

20002130230233 is a deficient number, since it is larger than the sum of its proper divisors (6667376743415).

20002130230233 is an equidigital number, since it uses as much as digits as its factorization.

20002130230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667376743414.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20002130230233 its reverse (33203203120002), we get a palindrome (53205333350235).

The spelling of 20002130230233 in words is "twenty trillion, two billion, one hundred thirty million, two hundred thirty thousand, two hundred thirty-three".