20203223220230 has 16 divisors (see below), whose sum is σ = 36550399778640. Its totient is φ = 8040267514272.

The previous prime is 20203223220221. The next prime is 20203223220239. The reversal of 20203223220230 is 3202232230202.

It is an interprime number because it is at equal distance from previous prime (20203223220221) and next prime (20203223220239).

It is a junction number, because it is equal to n+sod(n) for n = 20203223220196 and 20203223220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203223220239) 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, 5127719660 + ... + 5127723599.

It is an arithmetic number, because the mean of its divisors is an integer number (2284399986165).

Almost surely, 2^{20203223220230} is an apocalyptic number.

20203223220230 is a deficient number, since it is larger than the sum of its proper divisors (16347176558410).

20203223220230 is a wasteful number, since it uses less digits than its factorization.

20203223220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255443463.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20203223220230 its reverse (3202232230202), we get a palindrome (23405455450432).

The spelling of 20203223220230 in words is "twenty trillion, two hundred three billion, two hundred twenty-three million, two hundred twenty thousand, two hundred thirty".