20302341197 has 2 divisors, whose sum is σ = 20302341198. Its totient is φ = 20302341196.

The previous prime is 20302341181. The next prime is 20302341217. The reversal of 20302341197 is 79114320302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19460529001 + 841812196 = 139501^2 + 29014^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302341197 - 2⁴ = 20302341181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302341797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151170598 + 10151170599.

It is an arithmetic number, because the mean of its divisors is an integer number (10151170599).

Almost surely, 2^20302341197 is an apocalyptic number.

It is an amenable number.

20302341197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302341197 is an equidigital number, since it uses as much as digits as its factorization.

20302341197 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 32.

Adding to 20302341197 its reverse (79114320302), we get a palindrome (99416661499).

The spelling of 20302341197 in words is "twenty billion, three hundred two million, three hundred forty-one thousand, one hundred ninety-seven".