20503133327 has 2 divisors, whose sum is σ = 20503133328. Its totient is φ = 20503133326.

The previous prime is 20503133309. The next prime is 20503133333. The reversal of 20503133327 is 72333130502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20503133327 - 2⁸ = 20503133071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20503133327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20503133347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10251566663 + 10251566664.

It is an arithmetic number, because the mean of its divisors is an integer number (10251566664).

Almost surely, 2^20503133327 is an apocalyptic number.

20503133327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20503133327 is an equidigital number, since it uses as much as digits as its factorization.

20503133327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 29.

Adding to 20503133327 its reverse (72333130502), we get a palindrome (92836263829).

The spelling of 20503133327 in words is "twenty billion, five hundred three million, one hundred thirty-three thousand, three hundred twenty-seven".