20030321417 has 16 divisors (see below), whose sum is σ = 22330650240. Its totient is φ = 17855186688.

The previous prime is 20030321411. The next prime is 20030321459. The reversal of 20030321417 is 71412303002.

It is a cyclic number.

It is not a de Polignac number, because 20030321417 - 2⁴ = 20030321401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030321392 and 20030321401.

It is not an unprimeable number, because it can be changed into a prime (20030321411) 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 15 ways as a sum of consecutive naturals, for example, 1996628 + ... + 2006634.

It is an arithmetic number, because the mean of its divisors is an integer number (1395665640).

Almost surely, 2^20030321417 is an apocalyptic number.

It is an amenable number.

20030321417 is a deficient number, since it is larger than the sum of its proper divisors (2300328823).

20030321417 is a wasteful number, since it uses less digits than its factorization.

20030321417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 20030321417 its reverse (71412303002), we get a palindrome (91442624419).

The spelling of 20030321417 in words is "twenty billion, thirty million, three hundred twenty-one thousand, four hundred seventeen".