2010020200109 has 2 divisors, whose sum is σ = 2010020200110. Its totient is φ = 2010020200108.

The previous prime is 2010020200087. The next prime is 2010020200163. The reversal of 2010020200109 is 9010020200102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1045690308100 + 964329892009 = 1022590^2 + 982003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010020200109 - 2⁸ = 2010020199853 is a prime.

It is a super-2 number, since 2×2010020200109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010020200189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010100054 + 1005010100055.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010100055).

Almost surely, 2^{2010020200109} is an apocalyptic number.

It is an amenable number.

2010020200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020200109 is an equidigital number, since it uses as much as digits as its factorization.

2010020200109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 2010020200109 in words is "two trillion, ten billion, twenty million, two hundred thousand, one hundred nine".