20006737035169 has 2 divisors, whose sum is σ = 20006737035170. Its totient is φ = 20006737035168.

The previous prime is 20006737035113. The next prime is 20006737035179. The reversal of 20006737035169 is 96153073760002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19348667258944 + 658069776225 = 4398712^2 + 811215^2 .

It is a cyclic number.

It is not a de Polignac number, because 20006737035169 - 2¹³ = 20006737026977 is a prime.

It is a super-2 number, since 2×20006737035169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20006737035179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003368517584 + 10003368517585.

It is an arithmetic number, because the mean of its divisors is an integer number (10003368517585).

Almost surely, 2^{20006737035169} is an apocalyptic number.

It is an amenable number.

20006737035169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20006737035169 is an equidigital number, since it uses as much as digits as its factorization.

20006737035169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 20006737035169 in words is "twenty trillion, six billion, seven hundred thirty-seven million, thirty-five thousand, one hundred sixty-nine".