200020323021511 has 2 divisors, whose sum is σ = 200020323021512. Its totient is φ = 200020323021510.

The previous prime is 200020323021481. The next prime is 200020323021523. The reversal of 200020323021511 is 115120323020002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200020323021511 - 2²⁵ = 200020289467079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200020323921511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010161510755 + 100010161510756.

It is an arithmetic number, because the mean of its divisors is an integer number (100010161510756).

Almost surely, 2^{200020323021511} is an apocalyptic number.

200020323021511 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020323021511 is an equidigital number, since it uses as much as digits as its factorization.

200020323021511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 200020323021511 its reverse (115120323020002), we get a palindrome (315140646041513).

The spelling of 200020323021511 in words is "two hundred trillion, twenty billion, three hundred twenty-three million, twenty-one thousand, five hundred eleven".