20300996137 has 2 divisors, whose sum is σ = 20300996138. Its totient is φ = 20300996136.

The previous prime is 20300996119. The next prime is 20300996143. The reversal of 20300996137 is 73169900302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16707113536 + 3593882601 = 129256^2 + 59949^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300996137 - 2¹¹ = 20300994089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20300996137.

It is not a weakly prime, because it can be changed into another prime (20300996147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150498068 + 10150498069.

It is an arithmetic number, because the mean of its divisors is an integer number (10150498069).

Almost surely, 2^20300996137 is an apocalyptic number.

It is an amenable number.

20300996137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300996137 is an equidigital number, since it uses as much as digits as its factorization.

20300996137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 20300996137 in words is "twenty billion, three hundred million, nine hundred ninety-six thousand, one hundred thirty-seven".