20048228017 has 4 divisors (see below), whose sum is σ = 20069534196. Its totient is φ = 20026921840.

The previous prime is 20048227999. The next prime is 20048228051. The reversal of 20048228017 is 71082284002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13041868401 + 7006359616 = 114201^2 + 83704^2 .

It is a cyclic number.

It is not a de Polignac number, because 20048228017 - 2²³ = 20039839409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20048228117) 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, 10651678 + ... + 10653559.

It is an arithmetic number, because the mean of its divisors is an integer number (5017383549).

Almost surely, 2^20048228017 is an apocalyptic number.

It is an amenable number.

20048228017 is a deficient number, since it is larger than the sum of its proper divisors (21306179).

20048228017 is an equidigital number, since it uses as much as digits as its factorization.

20048228017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306178.

The product of its (nonzero) digits is 14336, while the sum is 34.

The spelling of 20048228017 in words is "twenty billion, forty-eight million, two hundred twenty-eight thousand, seventeen".