20120203211 has 8 divisors (see below), whose sum is σ = 20350278000. Its totient is φ = 19890217600.

The previous prime is 20120203199. The next prime is 20120203231. The reversal of 20120203211 is 11230202102.

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 20120203211 - 2¹⁰ = 20120202187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120203231) 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, 501236 + ... + 539886.

It is an arithmetic number, because the mean of its divisors is an integer number (2543784750).

Almost surely, 2^20120203211 is an apocalyptic number.

20120203211 is a deficient number, since it is larger than the sum of its proper divisors (230074789).

20120203211 is an equidigital number, since it uses as much as digits as its factorization.

20120203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44589.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20120203211 its reverse (11230202102), we get a palindrome (31350405313).

The spelling of 20120203211 in words is "twenty billion, one hundred twenty million, two hundred three thousand, two hundred eleven".