20002045403 has 2 divisors, whose sum is σ = 20002045404. Its totient is φ = 20002045402.

The previous prime is 20002045367. The next prime is 20002045411. The reversal of 20002045403 is 30454020002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002045403 - 2¹⁰ = 20002044379 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002045003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001022701 + 10001022702.

It is an arithmetic number, because the mean of its divisors is an integer number (10001022702).

Almost surely, 2^20002045403 is an apocalyptic number.

20002045403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002045403 is an equidigital number, since it uses as much as digits as its factorization.

20002045403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20002045403 its reverse (30454020002), we get a palindrome (50456065405).

The spelling of 20002045403 in words is "twenty billion, two million, forty-five thousand, four hundred three".