20300222237 has 2 divisors, whose sum is σ = 20300222238. Its totient is φ = 20300222236.

The previous prime is 20300222209. The next prime is 20300222279. The reversal of 20300222237 is 73222200302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18704938756 + 1595283481 = 136766^2 + 39941^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300222237 - 2¹⁰ = 20300221213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20300222737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150111118 + 10150111119.

It is an arithmetic number, because the mean of its divisors is an integer number (10150111119).

Almost surely, 2^20300222237 is an apocalyptic number.

It is an amenable number.

20300222237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300222237 is an equidigital number, since it uses as much as digits as its factorization.

20300222237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

Adding to 20300222237 its reverse (73222200302), we get a palindrome (93522422539).

The spelling of 20300222237 in words is "twenty billion, three hundred million, two hundred twenty-two thousand, two hundred thirty-seven".