20003223333 has 4 divisors (see below), whose sum is σ = 26670964448. Its totient is φ = 13335482220.

The previous prime is 20003223299. The next prime is 20003223337. The reversal of 20003223333 is 33332230002.

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 not a de Polignac number, because 20003223333 - 2²⁰ = 20002174757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003223337) 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, 3333870553 + ... + 3333870558.

It is an arithmetic number, because the mean of its divisors is an integer number (6667741112).

Almost surely, 2^20003223333 is an apocalyptic number.

It is an amenable number.

20003223333 is a deficient number, since it is larger than the sum of its proper divisors (6667741115).

20003223333 is an equidigital number, since it uses as much as digits as its factorization.

20003223333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667741114.

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 20003223333 its reverse (33332230002), we get a palindrome (53335453335).

The spelling of 20003223333 in words is "twenty billion, three million, two hundred twenty-three thousand, three hundred thirty-three".