201020000203237 has 2 divisors, whose sum is σ = 201020000203238. Its totient is φ = 201020000203236.

The previous prime is 201020000203177. The next prime is 201020000203249. The reversal of 201020000203237 is 732302000020102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175270962132036 + 25749038071201 = 13238994^2 + 5074351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201020000203237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020000293237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510000101618 + 100510000101619.

It is an arithmetic number, because the mean of its divisors is an integer number (100510000101619).

Almost surely, 2^{201020000203237} is an apocalyptic number.

It is an amenable number.

201020000203237 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020000203237 is an equidigital number, since it uses as much as digits as its factorization.

201020000203237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 201020000203237 its reverse (732302000020102), we get a palindrome (933322000223339).

The spelling of 201020000203237 in words is "two hundred one trillion, twenty billion, two hundred three thousand, two hundred thirty-seven".