200000020901 has 2 divisors, whose sum is σ = 200000020902. Its totient is φ = 200000020900.

The previous prime is 200000020861. The next prime is 200000020903. The reversal of 200000020901 is 109020000002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198493416676 + 1506604225 = 445526^2 + 38815^2 .

It is a cyclic number.

It is not a de Polignac number, because 200000020901 - 2⁶ = 200000020837 is a prime.

It is a super-3 number, since 3×200000020901³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 200000020903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000020903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000010450 + 100000010451.

It is an arithmetic number, because the mean of its divisors is an integer number (100000010451).

Almost surely, 2^200000020901 is an apocalyptic number.

It is an amenable number.

200000020901 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000020901 is an equidigital number, since it uses as much as digits as its factorization.

200000020901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 200000020901 its reverse (109020000002), we get a palindrome (309020020903).

The spelling of 200000020901 in words is "two hundred billion, twenty thousand, nine hundred one".