20031203211 has 32 divisors (see below), whose sum is σ = 27738547200. Its totient is φ = 12850295040.

The previous prime is 20031203149. The next prime is 20031203219. The reversal of 20031203211 is 11230213002.

It is not a de Polignac number, because 20031203211 - 2⁷ = 20031203083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20031203219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2266960 + ... + 2275778.

It is an arithmetic number, because the mean of its divisors is an integer number (866829600).

Almost surely, 2^20031203211 is an apocalyptic number.

20031203211 is a deficient number, since it is larger than the sum of its proper divisors (7707343989).

20031203211 is a wasteful number, since it uses less digits than its factorization.

20031203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20031203211 its reverse (11230213002), we get a palindrome (31261416213).

The spelling of 20031203211 in words is "twenty billion, thirty-one million, two hundred three thousand, two hundred eleven".