20525053603 has 2 divisors, whose sum is σ = 20525053604. Its totient is φ = 20525053602.

The previous prime is 20525053537. The next prime is 20525053613. The reversal of 20525053603 is 30635052502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20525053603 - 2¹⁷ = 20524922531 is a prime.

It is not a weakly prime, because it can be changed into another prime (20525053613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262526801 + 10262526802.

It is an arithmetic number, because the mean of its divisors is an integer number (10262526802).

Almost surely, 2^20525053603 is an apocalyptic number.

20525053603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525053603 is an equidigital number, since it uses as much as digits as its factorization.

20525053603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 20525053603 in words is "twenty billion, five hundred twenty-five million, fifty-three thousand, six hundred three".