20330331103 has 2 divisors, whose sum is σ = 20330331104. Its totient is φ = 20330331102.

The previous prime is 20330331101. The next prime is 20330331149. The reversal of 20330331103 is 30113303302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330331103 - 2¹ = 20330331101 is a prime.

Together with 20330331101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330331101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165165551 + 10165165552.

It is an arithmetic number, because the mean of its divisors is an integer number (10165165552).

Almost surely, 2^20330331103 is an apocalyptic number.

20330331103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330331103 is an equidigital number, since it uses as much as digits as its factorization.

20330331103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20330331103 its reverse (30113303302), we get a palindrome (50443634405).

The spelling of 20330331103 in words is "twenty billion, three hundred thirty million, three hundred thirty-one thousand, one hundred three".