20294740669097 has 2 divisors, whose sum is σ = 20294740669098. Its totient is φ = 20294740669096.

The previous prime is 20294740669081. The next prime is 20294740669109. The reversal of 20294740669097 is 79096604749202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11908324312336 + 8386416356761 = 3450844^2 + 2895931^2 .

It is a cyclic number.

It is not a de Polignac number, because 20294740669097 - 2⁴ = 20294740669081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20294740669037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10147370334548 + 10147370334549.

It is an arithmetic number, because the mean of its divisors is an integer number (10147370334549).

Almost surely, 2^{20294740669097} is an apocalyptic number.

It is an amenable number.

20294740669097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20294740669097 is an equidigital number, since it uses as much as digits as its factorization.

20294740669097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 20294740669097 in words is "twenty trillion, two hundred ninety-four billion, seven hundred forty million, six hundred sixty-nine thousand, ninety-seven".