20333444422 has 32 divisors (see below), whose sum is σ = 33357035520. Its totient is φ = 9254183040.

The previous prime is 20333444413. The next prime is 20333444459. The reversal of 20333444422 is 22444433302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975333 + ... + 1985599.

It is an arithmetic number, because the mean of its divisors is an integer number (1042407360).

Almost surely, 2^20333444422 is an apocalyptic number.

20333444422 is a deficient number, since it is larger than the sum of its proper divisors (13023591098).

20333444422 is a wasteful number, since it uses less digits than its factorization.

20333444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12196.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 20333444422 its reverse (22444433302), we get a palindrome (42777877724).

The spelling of 20333444422 in words is "twenty billion, three hundred thirty-three million, four hundred forty-four thousand, four hundred twenty-two".