20022544421433 has 12 divisors (see below), whose sum is σ = 28922133008340. Its totient is φ = 13348049122176.

The previous prime is 20022544421393. The next prime is 20022544421449. The reversal of 20022544421433 is 33412444522002.

20022544421433 is a `hidden beast` number, since 2 + 0 + 0 + 22 + 54 + 442 + 143 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16343237326329 + 3679307095104 = 4042677^2 + 1918152^2 .

It is not a de Polignac number, because 20022544421433 - 2¹³ = 20022544413241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022544421233) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25747716 + ... + 26513957.

It is an arithmetic number, because the mean of its divisors is an integer number (2410177750695).

Almost surely, 2^{20022544421433} is an apocalyptic number.

It is an amenable number.

20022544421433 is a deficient number, since it is larger than the sum of its proper divisors (8899588586907).

20022544421433 is a wasteful number, since it uses less digits than its factorization.

20022544421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52304248 (or 52304245 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 20022544421433 its reverse (33412444522002), we get a palindrome (53434988943435).

The spelling of 20022544421433 in words is "twenty trillion, twenty-two billion, five hundred forty-four million, four hundred twenty-one thousand, four hundred thirty-three".