20203220223 has 48 divisors (see below), whose sum is σ = 31784276160. Its totient is φ = 12314446848.

The previous prime is 20203220179. The next prime is 20203220269. The reversal of 20203220223 is 32202230202.

20203220223 is a `hidden beast` number, since 20 + 203 + 220 + 223 = 666.

It is not a de Polignac number, because 20203220223 - 2²² = 20199025919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20203220196 and 20203220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203220123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4113093 + ... + 4118001.

It is an arithmetic number, because the mean of its divisors is an integer number (662172420).

Almost surely, 2^20203220223 is an apocalyptic number.

20203220223 is a deficient number, since it is larger than the sum of its proper divisors (11581055937).

20203220223 is a wasteful number, since it uses less digits than its factorization.

20203220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20203220223 its reverse (32202230202), we get a palindrome (52405450425).

The spelling of 20203220223 in words is "twenty billion, two hundred three million, two hundred twenty thousand, two hundred twenty-three".