20203311201 has 16 divisors (see below), whose sum is σ = 26991299520. Its totient is φ = 13442125760.

The previous prime is 20203311181. The next prime is 20203311239. The reversal of 20203311201 is 10211330202.

It is a cyclic number.

It is not a de Polignac number, because 20203311201 - 2¹⁰ = 20203310177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20203311281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5519710 + ... + 5523368.

It is an arithmetic number, because the mean of its divisors is an integer number (1686956220).

Almost surely, 2^20203311201 is an apocalyptic number.

It is an amenable number.

20203311201 is a deficient number, since it is larger than the sum of its proper divisors (6787988319).

20203311201 is a wasteful number, since it uses less digits than its factorization.

20203311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

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

Adding to 20203311201 its reverse (10211330202), we get a palindrome (30414641403).

The spelling of 20203311201 in words is "twenty billion, two hundred three million, three hundred eleven thousand, two hundred one".