20053224144 has 30 divisors (see below), whose sum is σ = 56121176306. Its totient is φ = 6684408000.

The previous prime is 20053224143. The next prime is 20053224197. The reversal of 20053224144 is 44142235002.

It can be written as a sum of positive squares in only one way, i.e., 17202945600 + 2850278544 = 131160^2 + 53388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053224143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69629107 + ... + 69629394.

Almost surely, 2^20053224144 is an apocalyptic number.

20053224144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20053224144 is an abundant number, since it is smaller than the sum of its proper divisors (36067952162).

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

20053224144 is a wasteful number, since it uses less digits than its factorization.

20053224144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139258515 (or 139258506 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20053224144 its reverse (44142235002), we get a palindrome (64195459146).

It can be divided in two parts, 200532 and 24144, that added together give a square (224676 = 474²).

The spelling of 20053224144 in words is "twenty billion, fifty-three million, two hundred twenty-four thousand, one hundred forty-four".