201000200019893 has 2 divisors, whose sum is σ = 201000200019894. Its totient is φ = 201000200019892.

The previous prime is 201000200019889. The next prime is 201000200019919. The reversal of 201000200019893 is 398910002000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200460941846929 + 539258172964 = 14158423^2 + 734342^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000200019893 - 2² = 201000200019889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000200019803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500100009946 + 100500100009947.

It is an arithmetic number, because the mean of its divisors is an integer number (100500100009947).

Almost surely, 2^{201000200019893} is an apocalyptic number.

It is an amenable number.

201000200019893 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000200019893 is an equidigital number, since it uses as much as digits as its factorization.

201000200019893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

Adding to 201000200019893 its reverse (398910002000102), we get a palindrome (599910202019995).

The spelling of 201000200019893 in words is "two hundred one trillion, two hundred million, nineteen thousand, eight hundred ninety-three".