120020200011 has 16 divisors (see below), whose sum is σ = 178071932320. Its totient is φ = 79894563840.

The previous prime is 120020200007. The next prime is 120020200021. The reversal of 120020200011 is 110002020021.

It is not a de Polignac number, because 120020200011 - 2² = 120020200007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020199966 and 120020200002.

It is not an unprimeable number, because it can be changed into a prime (120020200021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3284350 + ... + 3320691.

It is an arithmetic number, because the mean of its divisors is an integer number (11129495770).

Almost surely, 2^120020200011 is an apocalyptic number.

120020200011 is a deficient number, since it is larger than the sum of its proper divisors (58051732309).

120020200011 is an equidigital number, since it uses as much as digits as its factorization.

120020200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605723 (or 6605717 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020200011 its reverse (110002020021), we get a palindrome (230022220032).

The spelling of 120020200011 in words is "one hundred twenty billion, twenty million, two hundred thousand, eleven".