20346513097069 has 2 divisors, whose sum is σ = 20346513097070. Its totient is φ = 20346513097068.

The previous prime is 20346513097019. The next prime is 20346513097093. The reversal of 20346513097069 is 96079031564302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15985307374569 + 4361205722500 = 3998163^2 + 2088350^2 .

It is a cyclic number.

It is not a de Polignac number, because 20346513097069 - 2²⁵ = 20346479542637 is a prime.

It is a super-3 number, since 3×20346513097069³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346513097019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173256548534 + 10173256548535.

It is an arithmetic number, because the mean of its divisors is an integer number (10173256548535).

Almost surely, 2^{20346513097069} is an apocalyptic number.

It is an amenable number.

20346513097069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346513097069 is an equidigital number, since it uses as much as digits as its factorization.

20346513097069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 20346513097069 in words is "twenty trillion, three hundred forty-six billion, five hundred thirteen million, ninety-seven thousand, sixty-nine".