20135034339997 has 2 divisors, whose sum is σ = 20135034339998. Its totient is φ = 20135034339996.

The previous prime is 20135034339919. The next prime is 20135034340013. The reversal of 20135034339997 is 79993343053102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15589657243876 + 4545377096121 = 3948374^2 + 2131989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20135034339997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20135034379997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067517169998 + 10067517169999.

It is an arithmetic number, because the mean of its divisors is an integer number (10067517169999).

Almost surely, 2^{20135034339997} is an apocalyptic number.

It is an amenable number.

20135034339997 is a deficient number, since it is larger than the sum of its proper divisors (1).

20135034339997 is an equidigital number, since it uses as much as digits as its factorization.

20135034339997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16533720, while the sum is 58.

The spelling of 20135034339997 in words is "twenty trillion, one hundred thirty-five billion, thirty-four million, three hundred thirty-nine thousand, nine hundred ninety-seven".