20003122003 has 8 divisors (see below), whose sum is σ = 20545929072. Its totient is φ = 19460429856.

The previous prime is 20003121991. The next prime is 20003122021. The reversal of 20003122003 is 30022130002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20003122003 - 2¹³ = 20003113811 is a prime.

It is a super-3 number, since 3×20003122003³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416301 + ... + 461857.

It is an arithmetic number, because the mean of its divisors is an integer number (2568241134).

Almost surely, 2^20003122003 is an apocalyptic number.

20003122003 is a deficient number, since it is larger than the sum of its proper divisors (542807069).

20003122003 is a wasteful number, since it uses less digits than its factorization.

20003122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57461.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20003122003 its reverse (30022130002), we get a palindrome (50025252005).

The spelling of 20003122003 in words is "twenty billion, three million, one hundred twenty-two thousand, three".