2010002020109 has 4 divisors (see below), whose sum is σ = 2010227138460. Its totient is φ = 2009776901760.

The previous prime is 2010002020093. The next prime is 2010002020111. The reversal of 2010002020109 is 9010202000102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 743049172009 + 1266952848100 = 862003^2 + 1125590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010002020109 - 2⁴ = 2010002020093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010002020709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112545782 + ... + 112563639.

It is an arithmetic number, because the mean of its divisors is an integer number (502556784615).

Almost surely, 2^{2010002020109} is an apocalyptic number.

It is an amenable number.

2010002020109 is a deficient number, since it is larger than the sum of its proper divisors (225118351).

2010002020109 is an equidigital number, since it uses as much as digits as its factorization.

2010002020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225118350.

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

The spelling of 2010002020109 in words is "two trillion, ten billion, two million, twenty thousand, one hundred nine".