20440514321235 has 48 divisors (see below), whose sum is σ = 35779278662400. Its totient is φ = 10794620354112.

The previous prime is 20440514321203. The next prime is 20440514321291. The reversal of 20440514321235 is 53212341504402.

It is a happy number.

20440514321235 is a `hidden beast` number, since 2 + 0 + 4 + 405 + 1 + 4 + 3 + 212 + 35 = 666.

It is not a de Polignac number, because 20440514321235 - 2⁵ = 20440514321203 is a prime.

It is a super-2 number, since 2×20440514321235² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20440514321235.

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 47 ways as a sum of consecutive naturals, for example, 1940527 + ... + 6681816.

It is an arithmetic number, because the mean of its divisors is an integer number (745401638800).

Almost surely, 2^{20440514321235} is an apocalyptic number.

20440514321235 is a deficient number, since it is larger than the sum of its proper divisors (15338764341165).

20440514321235 is a wasteful number, since it uses less digits than its factorization.

20440514321235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8622872 (or 8622869 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 20440514321235 its reverse (53212341504402), we get a palindrome (73652855825637).

The spelling of 20440514321235 in words is "twenty trillion, four hundred forty billion, five hundred fourteen million, three hundred twenty-one thousand, two hundred thirty-five".