20144451125234 has 32 divisors (see below), whose sum is σ = 30365378983296. Its totient is φ = 10022795475840.

The previous prime is 20144451125219. The next prime is 20144451125237. The reversal of 20144451125234 is 43252115444102.

It is a super-2 number, since 2×20144451125234² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20144451125237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357161017 + ... + 1357175859.

It is an arithmetic number, because the mean of its divisors is an integer number (948918093228).

Almost surely, 2^{20144451125234} is an apocalyptic number.

20144451125234 is a deficient number, since it is larger than the sum of its proper divisors (10220927858062).

20144451125234 is a wasteful number, since it uses less digits than its factorization.

20144451125234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19250.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 20144451125234 its reverse (43252115444102), we get a palindrome (63396566569336).

The spelling of 20144451125234 in words is "twenty trillion, one hundred forty-four billion, four hundred fifty-one million, one hundred twenty-five thousand, two hundred thirty-four".