20530422203 has 8 divisors (see below), whose sum is σ = 21618208320. Its totient is φ = 19443359880.

The previous prime is 20530422167. The next prime is 20530422223. The reversal of 20530422203 is 30222403502.

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 20530422203 - 2¹² = 20530418107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20530422223) 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, 122225 + ... + 236642.

It is an arithmetic number, because the mean of its divisors is an integer number (2702276040).

Almost surely, 2^20530422203 is an apocalyptic number.

20530422203 is a deficient number, since it is larger than the sum of its proper divisors (1087786117).

20530422203 is a wasteful number, since it uses less digits than its factorization.

20530422203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361897.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20530422203 its reverse (30222403502), we get a palindrome (50752825705).

The spelling of 20530422203 in words is "twenty billion, five hundred thirty million, four hundred twenty-two thousand, two hundred three".