20203222230 has 64 divisors (see below), whose sum is σ = 54299566080. Its totient is φ = 5345095392.

The previous prime is 20203222223. The next prime is 20203222231. The reversal of 20203222230 is 3222230202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260304 + ... + 328883.

It is an arithmetic number, because the mean of its divisors is an integer number (848430720).

Almost surely, 2^20203222230 is an apocalyptic number.

20203222230 is an abundant number, since it is smaller than the sum of its proper divisors (34096343850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203222230 is a wasteful number, since it uses less digits than its factorization.

20203222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589330 (or 589324 counting only the distinct ones).

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

Adding to 20203222230 its reverse (3222230202), we get a palindrome (23425452432).

The spelling of 20203222230 in words is "twenty billion, two hundred three million, two hundred twenty-two thousand, two hundred thirty".