202200220220197 has 2 divisors, whose sum is σ = 202200220220198. Its totient is φ = 202200220220196.

The previous prime is 202200220220189. The next prime is 202200220220233. The reversal of 202200220220197 is 791022022002202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191318442267681 + 10881777952516 = 13831791^2 + 3298754^2 .

It is a cyclic number.

It is not a de Polignac number, because 202200220220197 - 2³ = 202200220220189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202200220290197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100110110098 + 101100110110099.

It is an arithmetic number, because the mean of its divisors is an integer number (101100110110099).

Almost surely, 2^{202200220220197} is an apocalyptic number.

It is an amenable number.

202200220220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

202200220220197 is an equidigital number, since it uses as much as digits as its factorization.

202200220220197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 202200220220197 its reverse (791022022002202), we get a palindrome (993222242222399).

The spelling of 202200220220197 in words is "two hundred two trillion, two hundred billion, two hundred twenty million, two hundred twenty thousand, one hundred ninety-seven".