20523034027 has 2 divisors, whose sum is σ = 20523034028. Its totient is φ = 20523034026.

The previous prime is 20523034019. The next prime is 20523034079. The reversal of 20523034027 is 72043032502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20523034027 - 2³ = 20523034019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20523033986 and 20523034004.

It is not a weakly prime, because it can be changed into another prime (20523094027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261517013 + 10261517014.

It is an arithmetic number, because the mean of its divisors is an integer number (10261517014).

Almost surely, 2^20523034027 is an apocalyptic number.

20523034027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20523034027 is an equidigital number, since it uses as much as digits as its factorization.

20523034027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 28.

Adding to 20523034027 its reverse (72043032502), we get a palindrome (92566066529).

The spelling of 20523034027 in words is "twenty billion, five hundred twenty-three million, thirty-four thousand, twenty-seven".