20041243003 has 2 divisors, whose sum is σ = 20041243004. Its totient is φ = 20041243002.

The previous prime is 20041242973. The next prime is 20041243021. The reversal of 20041243003 is 30034214002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20041243003 - 2⁵ = 20041242971 is a prime.

It is a super-2 number, since 2×20041243003² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20041243093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020621501 + 10020621502.

It is an arithmetic number, because the mean of its divisors is an integer number (10020621502).

Almost surely, 2^20041243003 is an apocalyptic number.

20041243003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20041243003 is an equidigital number, since it uses as much as digits as its factorization.

20041243003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20041243003 its reverse (30034214002), we get a palindrome (50075457005).

The spelling of 20041243003 in words is "twenty billion, forty-one million, two hundred forty-three thousand, three".