20363434342003 has 2 divisors, whose sum is σ = 20363434342004. Its totient is φ = 20363434342002.

The previous prime is 20363434341989. The next prime is 20363434342021. The reversal of 20363434342003 is 30024343436302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20363434342003 - 2⁹ = 20363434341491 is a prime.

It is not a weakly prime, because it can be changed into another prime (20363434342063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181717171001 + 10181717171002.

It is an arithmetic number, because the mean of its divisors is an integer number (10181717171002).

Almost surely, 2^{20363434342003} is an apocalyptic number.

20363434342003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363434342003 is an equidigital number, since it uses as much as digits as its factorization.

20363434342003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 20363434342003 its reverse (30024343436302), we get a palindrome (50387777778305).

The spelling of 20363434342003 in words is "twenty trillion, three hundred sixty-three billion, four hundred thirty-four million, three hundred forty-two thousand, three".