20200011012209 has 4 divisors (see below), whose sum is σ = 23085726871104. Its totient is φ = 17314295153316.

The previous prime is 20200011012133. The next prime is 20200011012239. The reversal of 20200011012209 is 90221011000202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20200011012209 - 2¹² = 20200011008113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200011012239) 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, 1442857929437 + ... + 1442857929450.

It is an arithmetic number, because the mean of its divisors is an integer number (5771431717776).

Almost surely, 2^{20200011012209} is an apocalyptic number.

It is an amenable number.

20200011012209 is a deficient number, since it is larger than the sum of its proper divisors (2885715858895).

20200011012209 is an equidigital number, since it uses as much as digits as its factorization.

20200011012209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885715858894.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20200011012209 in words is "twenty trillion, two hundred billion, eleven million, twelve thousand, two hundred nine".