20252544205603 has 2 divisors, whose sum is σ = 20252544205604. Its totient is φ = 20252544205602.

The previous prime is 20252544205513. The next prime is 20252544205609. The reversal of 20252544205603 is 30650244525202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20252544205603 - 2¹³ = 20252544197411 is a prime.

It is not a weakly prime, because it can be changed into another prime (20252544205609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126272102801 + 10126272102802.

It is an arithmetic number, because the mean of its divisors is an integer number (10126272102802).

Almost surely, 2^{20252544205603} is an apocalyptic number.

20252544205603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252544205603 is an equidigital number, since it uses as much as digits as its factorization.

20252544205603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 20252544205603 in words is "twenty trillion, two hundred fifty-two billion, five hundred forty-four million, two hundred five thousand, six hundred three".