20020212097 has 2 divisors, whose sum is σ = 20020212098. Its totient is φ = 20020212096.

The previous prime is 20020212071. The next prime is 20020212169. The reversal of 20020212097 is 79021202002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14743787776 + 5276424321 = 121424^2 + 72639^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020212097 - 2⁷ = 20020211969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020212397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010106048 + 10010106049.

It is an arithmetic number, because the mean of its divisors is an integer number (10010106049).

Almost surely, 2^20020212097 is an apocalyptic number.

It is an amenable number.

20020212097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020212097 is an equidigital number, since it uses as much as digits as its factorization.

20020212097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 20020212097 its reverse (79021202002), we get a palindrome (99041414099).

The spelling of 20020212097 in words is "twenty billion, twenty million, two hundred twelve thousand, ninety-seven".