210020200210069 has 2 divisors, whose sum is σ = 210020200210070. Its totient is φ = 210020200210068.

The previous prime is 210020200209959. The next prime is 210020200210127. The reversal of 210020200210069 is 960012002020012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205979042880900 + 4041157329169 = 14351970^2 + 2010263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210020200210069 is a prime.

It is a super-2 number, since 2×210020200210069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210020200210369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010100105034 + 105010100105035.

It is an arithmetic number, because the mean of its divisors is an integer number (105010100105035).

Almost surely, 2^{210020200210069} is an apocalyptic number.

It is an amenable number.

210020200210069 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020200210069 is an equidigital number, since it uses as much as digits as its factorization.

210020200210069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 210020200210069 in words is "two hundred ten trillion, twenty billion, two hundred million, two hundred ten thousand, sixty-nine".