20330003047 has 2 divisors, whose sum is σ = 20330003048. Its totient is φ = 20330003046.

The previous prime is 20330003009. The next prime is 20330003077. The reversal of 20330003047 is 74030003302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20330003047 - 2⁷ = 20330002919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330003077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165001523 + 10165001524.

It is an arithmetic number, because the mean of its divisors is an integer number (10165001524).

Almost surely, 2^20330003047 is an apocalyptic number.

20330003047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330003047 is an equidigital number, since it uses as much as digits as its factorization.

20330003047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 22.

Adding to 20330003047 its reverse (74030003302), we get a palindrome (94360006349).

The spelling of 20330003047 in words is "twenty billion, three hundred thirty million, three thousand, forty-seven".