20525350303 has 4 divisors (see below), whose sum is σ = 20528196840. Its totient is φ = 20522503768.

The previous prime is 20525350301. The next prime is 20525350309. The reversal of 20525350303 is 30305352502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20525350303 - 2¹ = 20525350301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525350301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412425 + ... + 1426882.

It is an arithmetic number, because the mean of its divisors is an integer number (5132049210).

Almost surely, 2^20525350303 is an apocalyptic number.

20525350303 is a deficient number, since it is larger than the sum of its proper divisors (2846537).

20525350303 is an equidigital number, since it uses as much as digits as its factorization.

20525350303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846536.

The product of its (nonzero) digits is 13500, while the sum is 28.

The spelling of 20525350303 in words is "twenty billion, five hundred twenty-five million, three hundred fifty thousand, three hundred three".