20034164506637 has 2 divisors, whose sum is σ = 20034164506638. Its totient is φ = 20034164506636.

The previous prime is 20034164506613. The next prime is 20034164506669. The reversal of 20034164506637 is 73660546143002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18380332498441 + 1653832008196 = 4287229^2 + 1286014^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034164506637 - 2⁸ = 20034164506381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20034164506591 and 20034164506600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20034164586637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017082253318 + 10017082253319.

It is an arithmetic number, because the mean of its divisors is an integer number (10017082253319).

Almost surely, 2^{20034164506637} is an apocalyptic number.

It is an amenable number.

20034164506637 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034164506637 is an equidigital number, since it uses as much as digits as its factorization.

20034164506637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 20034164506637 in words is "twenty trillion, thirty-four billion, one hundred sixty-four million, five hundred six thousand, six hundred thirty-seven".