20022097 has 2 divisors, whose sum is σ = 20022098. Its totient is φ = 20022096.

The previous prime is 20022089. The next prime is 20022103. The reversal of 20022097 is 79022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 7177041 = 3584^2 + 2679^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022097 - 2³ = 20022089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011048 + 10011049.

It is an arithmetic number, because the mean of its divisors is an integer number (10011049).

Almost surely, 2^20022097 is an apocalyptic number.

It is an amenable number.

20022097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022097 is an equidigital number, since it uses as much as digits as its factorization.

20022097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20022097 is about 4474.6057926928. The cubic root of 20022097 is about 271.5416923425.

Adding to 20022097 its reverse (79022002), we get a palindrome (99044099).

The spelling of 20022097 in words is "twenty million, twenty-two thousand, ninety-seven".