20030417 has 4 divisors (see below), whose sum is σ = 21851376. Its totient is φ = 18209460.

The previous prime is 20030411. The next prime is 20030443. The reversal of 20030417 is 71403002.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 20030417 - 2¹⁰ = 20029393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030395 and 20030404.

It is not an unprimeable number, because it can be changed into a prime (20030411) 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, 910463 + ... + 910484.

It is an arithmetic number, because the mean of its divisors is an integer number (5462844).

Almost surely, 2^20030417 is an apocalyptic number.

It is an amenable number.

20030417 is a deficient number, since it is larger than the sum of its proper divisors (1820959).

20030417 is a wasteful number, since it uses less digits than its factorization.

20030417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820958.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20030417 is about 4475.5353869677. The cubic root of 20030417 is about 271.5792993594.

Adding to 20030417 its reverse (71403002), we get a palindrome (91433419).

The spelling of 20030417 in words is "twenty million, thirty thousand, four hundred seventeen".