20000000417 has 4 divisors (see below), whose sum is σ = 20001314436. Its totient is φ = 19998686400.

The previous prime is 20000000401. The next prime is 20000000431. The reversal of 20000000417 is 71400000002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71400000002 = 2 ⋅35700000001.

It can be written as a sum of positive squares in 2 ways, for example, as 19896795136 + 103205281 = 141056^2 + 10159^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000000417 - 2⁴ = 20000000401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000000467) 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, 633908 + ... + 664709.

It is an arithmetic number, because the mean of its divisors is an integer number (5000328609).

Almost surely, 2^20000000417 is an apocalyptic number.

It is an amenable number.

20000000417 is a deficient number, since it is larger than the sum of its proper divisors (1314019).

20000000417 is a wasteful number, since it uses less digits than its factorization.

20000000417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314018.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 20000000417 its reverse (71400000002), we get a palindrome (91400000419).

The spelling of 20000000417 in words is "twenty billion, four hundred seventeen", and thus it is an aban number.