20443223202 has 32 divisors (see below), whose sum is σ = 42497445312. Its totient is φ = 6550346304.

The previous prime is 20443223201. The next prime is 20443223233. The reversal of 20443223202 is 20232234402.

It is a happy number.

It is a super-2 number, since 2×20443223202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20443223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536313 + ... + 573164.

It is an arithmetic number, because the mean of its divisors is an integer number (1328045166).

Almost surely, 2^20443223202 is an apocalyptic number.

20443223202 is an abundant number, since it is smaller than the sum of its proper divisors (22054222110).

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

20443223202 is a wasteful number, since it uses less digits than its factorization.

20443223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109602.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20443223202 its reverse (20232234402), we get a palindrome (40675457604).

The spelling of 20443223202 in words is "twenty billion, four hundred forty-three million, two hundred twenty-three thousand, two hundred two".