20088135337 has 2 divisors, whose sum is σ = 20088135338. Its totient is φ = 20088135336.

The previous prime is 20088135311. The next prime is 20088135343. The reversal of 20088135337 is 73353188002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19628290201 + 459845136 = 140101^2 + 21444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20088135337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20088135337.

It is not a weakly prime, because it can be changed into another prime (20088135437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044067668 + 10044067669.

It is an arithmetic number, because the mean of its divisors is an integer number (10044067669).

Almost surely, 2^20088135337 is an apocalyptic number.

It is an amenable number.

20088135337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20088135337 is an equidigital number, since it uses as much as digits as its factorization.

20088135337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20088135337 in words is "twenty billion, eighty-eight million, one hundred thirty-five thousand, three hundred thirty-seven".