20302000237 has 2 divisors, whose sum is σ = 20302000238. Its totient is φ = 20302000236.

The previous prime is 20302000211. The next prime is 20302000361. The reversal of 20302000237 is 73200020302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15341051881 + 4960948356 = 123859^2 + 70434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302000237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302000937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151000118 + 10151000119.

It is an arithmetic number, because the mean of its divisors is an integer number (10151000119).

Almost surely, 2^20302000237 is an apocalyptic number.

It is an amenable number.

20302000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302000237 is an equidigital number, since it uses as much as digits as its factorization.

20302000237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

Adding to 20302000237 its reverse (73200020302), we get a palindrome (93502020539).

The spelling of 20302000237 in words is "twenty billion, three hundred two million, two hundred thirty-seven", and thus it is an aban number.