20303022222 has 64 divisors (see below), whose sum is σ = 52073856000. Its totient is φ = 5743418400.

The previous prime is 20303022221. The next prime is 20303022253. The reversal of 20303022222 is 22222030302.

It is a super-2 number, since 2×20303022222² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20303022195 and 20303022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303022221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227722 + ... + 304077.

It is an arithmetic number, because the mean of its divisors is an integer number (813654000).

Almost surely, 2^20303022222 is an apocalyptic number.

20303022222 is an abundant number, since it is smaller than the sum of its proper divisors (31770833778).

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

20303022222 is a wasteful number, since it uses less digits than its factorization.

20303022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531918 (or 531912 counting only the distinct ones).

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

Adding to 20303022222 its reverse (22222030302), we get a palindrome (42525052524).

The spelling of 20303022222 in words is "twenty billion, three hundred three million, twenty-two thousand, two hundred twenty-two".