20340433132169 has 2 divisors, whose sum is σ = 20340433132170. Its totient is φ = 20340433132168.

The previous prime is 20340433132147. The next prime is 20340433132211. The reversal of 20340433132169 is 96123133404302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19483396000000 + 857037132169 = 4414000^2 + 925763^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340433132169 - 2²⁰ = 20340432083593 is a prime.

It is a super-2 number, since 2×20340433132169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20340433102169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170216566084 + 10170216566085.

It is an arithmetic number, because the mean of its divisors is an integer number (10170216566085).

Almost surely, 2^{20340433132169} is an apocalyptic number.

It is an amenable number.

20340433132169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340433132169 is an equidigital number, since it uses as much as digits as its factorization.

20340433132169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 20340433132169 in words is "twenty trillion, three hundred forty billion, four hundred thirty-three million, one hundred thirty-two thousand, one hundred sixty-nine".