20200203420101 has 2 divisors, whose sum is σ = 20200203420102. Its totient is φ = 20200203420100.

The previous prime is 20200203420077. The next prime is 20200203420107. The reversal of 20200203420101 is 10102430200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10460217819076 + 9739985601025 = 3234226^2 + 3120895^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200203420101 - 2¹⁴ = 20200203403717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200203420101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200203420107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100101710050 + 10100101710051.

It is an arithmetic number, because the mean of its divisors is an integer number (10100101710051).

Almost surely, 2^{20200203420101} is an apocalyptic number.

It is an amenable number.

20200203420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200203420101 is an equidigital number, since it uses as much as digits as its factorization.

20200203420101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20200203420101 its reverse (10102430200202), we get a palindrome (30302633620303).

The spelling of 20200203420101 in words is "twenty trillion, two hundred billion, two hundred three million, four hundred twenty thousand, one hundred one".