20144053136 has 40 divisors (see below), whose sum is σ = 40037895744. Its totient is φ = 9812880000.

The previous prime is 20144053133. The next prime is 20144053157. The reversal of 20144053136 is 63135044102.

It is a junction number, because it is equal to n+sod(n) for n = 20144053099 and 20144053108.

It is not an unprimeable number, because it can be changed into a prime (20144053133) 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 7 ways as a sum of consecutive naturals, for example, 236261 + ... + 310011.

Almost surely, 2^20144053136 is an apocalyptic number.

It is an amenable number.

20144053136 is a deficient number, since it is larger than the sum of its proper divisors (19893842608).

20144053136 is a wasteful number, since it uses less digits than its factorization.

20144053136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74199 (or 74193 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20144053136 its reverse (63135044102), we get a palindrome (83279097238).

The spelling of 20144053136 in words is "twenty billion, one hundred forty-four million, fifty-three thousand, one hundred thirty-six".