20214017 has 2 divisors, whose sum is σ = 20214018. Its totient is φ = 20214016.

The previous prime is 20214013. The next prime is 20214023. The reversal of 20214017 is 71041202.

It is a Cunningham number, because it is equal to 4496²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 1 = 4496^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 20214017 - 2² = 20214013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20213986 and 20214004.

It is not a weakly prime, because it can be changed into another prime (20214013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107008 + 10107009.

It is an arithmetic number, because the mean of its divisors is an integer number (10107009).

Almost surely, 2^20214017 is an apocalyptic number.

It is an amenable number.

20214017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214017 is an equidigital number, since it uses as much as digits as its factorization.

20214017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20214017 is about 4496.0001112100. Note that the first 3 decimals coincide. The cubic root of 20214017 is about 272.4065476478.

Adding to 20214017 its reverse (71041202), we get a palindrome (91255219).

The spelling of 20214017 in words is "twenty million, two hundred fourteen thousand, seventeen".