20203311241 has 16 divisors (see below), whose sum is σ = 21473586000. Its totient is φ = 18942271488.

The previous prime is 20203311239. The next prime is 20203311263. The reversal of 20203311241 is 14211330202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 309619216 + 19893692025 = 17596^2 + 141045^2 .

It is not a de Polignac number, because 20203311241 - 2¹ = 20203311239 is a prime.

It is a Duffinian number.

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, 6624685 + ... + 6627733.

It is an arithmetic number, because the mean of its divisors is an integer number (1342099125).

Almost surely, 2^20203311241 is an apocalyptic number.

It is an amenable number.

20203311241 is a deficient number, since it is larger than the sum of its proper divisors (1270274759).

20203311241 is a wasteful number, since it uses less digits than its factorization.

20203311241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20203311241 its reverse (14211330202), we get a palindrome (34414641443).

The spelling of 20203311241 in words is "twenty billion, two hundred three million, three hundred eleven thousand, two hundred forty-one".