20020220009 has 8 divisors (see below), whose sum is σ = 20510619360. Its totient is φ = 19529920800.

The previous prime is 20020219931. The next prime is 20020220023. The reversal of 20020220009 is 90002202002.

It is a happy number.

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 20020220009 - 2¹² = 20020215913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20020220309) 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, 526562 + ... + 563300.

It is an arithmetic number, because the mean of its divisors is an integer number (2563827420).

Almost surely, 2^20020220009 is an apocalyptic number.

It is an amenable number.

20020220009 is a deficient number, since it is larger than the sum of its proper divisors (490399351).

20020220009 is a wasteful number, since it uses less digits than its factorization.

20020220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50071.

The product of its (nonzero) digits is 144, while the sum is 17.

The spelling of 20020220009 in words is "twenty billion, twenty million, two hundred twenty thousand, nine".