20120200020211 has 4 divisors (see below), whose sum is σ = 20588111648632. Its totient is φ = 19652288391792.

The previous prime is 20120200020139. The next prime is 20120200020287. The reversal of 20120200020211 is 11202000202102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120200020211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120200020191 and 20120200020200.

It is not an unprimeable number, because it can be changed into a prime (20120200620211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233955814146 + ... + 233955814231.

It is an arithmetic number, because the mean of its divisors is an integer number (5147027912158).

Almost surely, 2^{20120200020211} is an apocalyptic number.

20120200020211 is a deficient number, since it is larger than the sum of its proper divisors (467911628421).

20120200020211 is an equidigital number, since it uses as much as digits as its factorization.

20120200020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467911628420.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120200020211 its reverse (11202000202102), we get a palindrome (31322200222313).

The spelling of 20120200020211 in words is "twenty trillion, one hundred twenty billion, two hundred million, twenty thousand, two hundred eleven".