20522204203 has 4 divisors (see below), whose sum is σ = 20721449008. Its totient is φ = 20322959400.

The previous prime is 20522204191. The next prime is 20522204231. The reversal of 20522204203 is 30240222502.

It is a happy number.

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 20522204203 - 2²⁵ = 20488649771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20522204243) 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, 99622248 + ... + 99622453.

It is an arithmetic number, because the mean of its divisors is an integer number (5180362252).

Almost surely, 2^20522204203 is an apocalyptic number.

20522204203 is a deficient number, since it is larger than the sum of its proper divisors (199244805).

20522204203 is a wasteful number, since it uses less digits than its factorization.

20522204203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199244804.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20522204203 its reverse (30240222502), we get a palindrome (50762426705).

The spelling of 20522204203 in words is "twenty billion, five hundred twenty-two million, two hundred four thousand, two hundred three".