20353837037 has 2 divisors, whose sum is σ = 20353837038. Its totient is φ = 20353837036.

The previous prime is 20353837019. The next prime is 20353837043. The reversal of 20353837037 is 73073835302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20149518601 + 204318436 = 141949^2 + 14294^2 .

It is a cyclic number.

It is not a de Polignac number, because 20353837037 - 2²⁶ = 20286728173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20353836985 and 20353837003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20353837057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176918518 + 10176918519.

It is an arithmetic number, because the mean of its divisors is an integer number (10176918519).

Almost surely, 2^20353837037 is an apocalyptic number.

It is an amenable number.

20353837037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20353837037 is an equidigital number, since it uses as much as digits as its factorization.

20353837037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 20353837037 in words is "twenty billion, three hundred fifty-three million, eight hundred thirty-seven thousand, thirty-seven".