20522450303 has 16 divisors (see below), whose sum is σ = 22329809280. Its totient is φ = 18782378496.

The previous prime is 20522450233. The next prime is 20522450357. The reversal of 20522450303 is 30305422502.

It is a cyclic number.

It is not a de Polignac number, because 20522450303 - 2²² = 20518255999 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 (20522450363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207418 + ... + 1224296.

It is an arithmetic number, because the mean of its divisors is an integer number (1395613080).

Almost surely, 2^20522450303 is an apocalyptic number.

20522450303 is a deficient number, since it is larger than the sum of its proper divisors (1807358977).

20522450303 is a wasteful number, since it uses less digits than its factorization.

20522450303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18866.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20522450303 its reverse (30305422502), we get a palindrome (50827872805).

The spelling of 20522450303 in words is "twenty billion, five hundred twenty-two million, four hundred fifty thousand, three hundred three".