20003313211 has 16 divisors (see below), whose sum is σ = 24267971520. Its totient is φ = 16095605760.

The previous prime is 20003313199. The next prime is 20003313229. The reversal of 20003313211 is 11231330002.

It is a cyclic number.

It is not a de Polignac number, because 20003313211 - 2¹⁵ = 20003280443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003313251) 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, 169770 + ... + 262351.

It is an arithmetic number, because the mean of its divisors is an integer number (1516748220).

Almost surely, 2^20003313211 is an apocalyptic number.

20003313211 is a deficient number, since it is larger than the sum of its proper divisors (4264658309).

20003313211 is a wasteful number, since it uses less digits than its factorization.

20003313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432534.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20003313211 its reverse (11231330002), we get a palindrome (31234643213).

The spelling of 20003313211 in words is "twenty billion, three million, three hundred thirteen thousand, two hundred eleven".