2130020237 has 2 divisors, whose sum is σ = 2130020238. Its totient is φ = 2130020236.

The previous prime is 2130020203. The next prime is 2130020239. The reversal of 2130020237 is 7320200312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1728979561 + 401040676 = 41581^2 + 20026^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130020237 - 2⁶ = 2130020173 is a prime.

Together with 2130020239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130020239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065010118 + 1065010119.

It is an arithmetic number, because the mean of its divisors is an integer number (1065010119).

Almost surely, 2^2130020237 is an apocalyptic number.

It is an amenable number.

2130020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130020237 is an equidigital number, since it uses as much as digits as its factorization.

2130020237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2130020237 is about 46152.1422796385. The cubic root of 2130020237 is about 1286.6524260000.

Adding to 2130020237 its reverse (7320200312), we get a palindrome (9450220549).

The spelling of 2130020237 in words is "two billion, one hundred thirty million, twenty thousand, two hundred thirty-seven".