20144404302224 has 10 divisors (see below), whose sum is σ = 39029783335590. Its totient is φ = 10072202151104.

The previous prime is 20144404302131. The next prime is 20144404302263. The reversal of 20144404302224 is 42220340444102.

It can be written as a sum of positive squares in only one way, i.e., 18414569088400 + 1729835213824 = 4291220^2 + 1315232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629512634429 + ... + 629512634460.

It is an arithmetic number, because the mean of its divisors is an integer number (3902978333559).

Almost surely, 2^{20144404302224} is an apocalyptic number.

It is an amenable number.

20144404302224 is a deficient number, since it is larger than the sum of its proper divisors (18885379033366).

20144404302224 is a wasteful number, since it uses less digits than its factorization.

20144404302224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259025268897 (or 1259025268891 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20144404302224 its reverse (42220340444102), we get a palindrome (62364744746326).

The spelling of 20144404302224 in words is "twenty trillion, one hundred forty-four billion, four hundred four million, three hundred two thousand, two hundred twenty-four".