20003341187 has 2 divisors, whose sum is σ = 20003341188. Its totient is φ = 20003341186.

The previous prime is 20003341181. The next prime is 20003341207. The reversal of 20003341187 is 78114330002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003341187 - 2¹² = 20003337091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20003341181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001670593 + 10001670594.

It is an arithmetic number, because the mean of its divisors is an integer number (10001670594).

Almost surely, 2^20003341187 is an apocalyptic number.

20003341187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003341187 is an equidigital number, since it uses as much as digits as its factorization.

20003341187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 20003341187 its reverse (78114330002), we get a palindrome (98117671189).

The spelling of 20003341187 in words is "twenty billion, three million, three hundred forty-one thousand, one hundred eighty-seven".