20000210020009 has 8 divisors (see below), whose sum is σ = 20546846123720. Its totient is φ = 19453894436736.

The previous prime is 20000210019931. The next prime is 20000210020013. The reversal of 20000210020009 is 90002001200002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15214703763609 + 4785506256400 = 3900603^2 + 2187580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20000210020009 - 2²³ = 20000201631401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000210019974 and 20000210020001.

It is not an unprimeable number, because it can be changed into a prime (20000210026009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80003604 + ... + 80253205.

It is an arithmetic number, because the mean of its divisors is an integer number (2568355765465).

Almost surely, 2^{20000210020009} is an apocalyptic number.

It is an amenable number.

20000210020009 is a deficient number, since it is larger than the sum of its proper divisors (546636103711).

20000210020009 is a wasteful number, since it uses less digits than its factorization.

20000210020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160260219.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 20000210020009 in words is "twenty trillion, two hundred ten million, twenty thousand, nine".