20522205503 has 8 divisors (see below), whose sum is σ = 21841985088. Its totient is φ = 19214936064.

The previous prime is 20522205481. The next prime is 20522205521. The reversal of 20522205503 is 30550222502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20522205503 - 2⁸ = 20522205247 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 (20522205533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124151 + ... + 3130712.

It is an arithmetic number, because the mean of its divisors is an integer number (2730248136).

Almost surely, 2^20522205503 is an apocalyptic number.

20522205503 is a deficient number, since it is larger than the sum of its proper divisors (1319779585).

20522205503 is a wasteful number, since it uses less digits than its factorization.

20522205503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255073.

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 20522205503 in words is "twenty billion, five hundred twenty-two million, two hundred five thousand, five hundred three".