20220102009197 has 2 divisors, whose sum is σ = 20220102009198. Its totient is φ = 20220102009196.

The previous prime is 20220102009193. The next prime is 20220102009227. The reversal of 20220102009197 is 79190020102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19378563647881 + 841538361316 = 4402109^2 + 917354^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220102009197 - 2² = 20220102009193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220102009193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110051004598 + 10110051004599.

It is an arithmetic number, because the mean of its divisors is an integer number (10110051004599).

Almost surely, 2^{20220102009197} is an apocalyptic number.

It is an amenable number.

20220102009197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220102009197 is an equidigital number, since it uses as much as digits as its factorization.

20220102009197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 20220102009197 in words is "twenty trillion, two hundred twenty billion, one hundred two million, nine thousand, one hundred ninety-seven".