2020012217 has 2 divisors, whose sum is σ = 2020012218. Its totient is φ = 2020012216.

The previous prime is 2020012213. The next prime is 2020012229. The reversal of 2020012217 is 7122100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2006054521 + 13957696 = 44789^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020012217 - 2² = 2020012213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020012195 and 2020012204.

It is not a weakly prime, because it can be changed into another prime (2020012213) 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 as a sum of consecutive naturals, namely, 1010006108 + 1010006109.

It is an arithmetic number, because the mean of its divisors is an integer number (1010006109).

Almost surely, 2^2020012217 is an apocalyptic number.

It is an amenable number.

2020012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020012217 is an equidigital number, since it uses as much as digits as its factorization.

2020012217 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 2020012217 is about 44944.5460206241. The cubic root of 2020012217 is about 1264.1094133059.

Adding to 2020012217 its reverse (7122100202), we get a palindrome (9142112419).

The spelling of 2020012217 in words is "two billion, twenty million, twelve thousand, two hundred seventeen".