20001033223 has 2 divisors, whose sum is σ = 20001033224. Its totient is φ = 20001033222.

The previous prime is 20001033187. The next prime is 20001033263. The reversal of 20001033223 is 32233010002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001033223 - 2³³ = 11411098631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20001033197 and 20001033206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001033263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000516611 + 10000516612.

It is an arithmetic number, because the mean of its divisors is an integer number (10000516612).

Almost surely, 2^20001033223 is an apocalyptic number.

20001033223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001033223 is an equidigital number, since it uses as much as digits as its factorization.

20001033223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20001033223 its reverse (32233010002), we get a palindrome (52234043225).

The spelling of 20001033223 in words is "twenty billion, one million, thirty-three thousand, two hundred twenty-three".