20303212222 has 4 divisors (see below), whose sum is σ = 30454818336. Its totient is φ = 10151606110.

The previous prime is 20303212213. The next prime is 20303212253. The reversal of 20303212222 is 22221230302.

20303212222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22221230302 = 2 ⋅11110615151.

It is a self number, because there is not a number n which added to its sum of digits gives 20303212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075803054 + ... + 5075803057.

It is an arithmetic number, because the mean of its divisors is an integer number (7613704584).

Almost surely, 2^20303212222 is an apocalyptic number.

20303212222 is a deficient number, since it is larger than the sum of its proper divisors (10151606114).

20303212222 is a wasteful number, since it uses less digits than its factorization.

20303212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151606113.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20303212222 its reverse (22221230302), we get a palindrome (42524442524).

The spelling of 20303212222 in words is "twenty billion, three hundred three million, two hundred twelve thousand, two hundred twenty-two".