20525245003 has 2 divisors, whose sum is σ = 20525245004. Its totient is φ = 20525245002.

The previous prime is 20525244977. The next prime is 20525245009. The reversal of 20525245003 is 30054252502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20525245003 - 2²¹ = 20523147851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20525245009) 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, 10262622501 + 10262622502.

It is an arithmetic number, because the mean of its divisors is an integer number (10262622502).

Almost surely, 2^20525245003 is an apocalyptic number.

20525245003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525245003 is an equidigital number, since it uses as much as digits as its factorization.

20525245003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 20525245003 its reverse (30054252502), we get a palindrome (50579497505).

The spelling of 20525245003 in words is "twenty billion, five hundred twenty-five million, two hundred forty-five thousand, three".