20000022002003 has 4 divisors (see below), whose sum is σ = 20487827416728. Its totient is φ = 19512216587280.

The previous prime is 20000022001969. The next prime is 20000022002027. The reversal of 20000022002003 is 30020022000002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000022002003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000022002203) 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, 243902707301 + ... + 243902707382.

It is an arithmetic number, because the mean of its divisors is an integer number (5121956854182).

Almost surely, 2^{20000022002003} is an apocalyptic number.

20000022002003 is a deficient number, since it is larger than the sum of its proper divisors (487805414725).

20000022002003 is an equidigital number, since it uses as much as digits as its factorization.

20000022002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487805414724.

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20000022002003 its reverse (30020022000002), we get a palindrome (50020044002005).

The spelling of 20000022002003 in words is "twenty trillion, twenty-two million, two thousand, three".