20244042431445 has 16 divisors (see below), whose sum is σ = 37017677589120. Its totient is φ = 9254419397184.

The previous prime is 20244042431407. The next prime is 20244042431453. The reversal of 20244042431445 is 54413424044202.

It is not a de Polignac number, because 20244042431445 - 2⁶ = 20244042431381 is a prime.

It is a super-2 number, since 2×20244042431445² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96400201950 + ... + 96400202159.

It is an arithmetic number, because the mean of its divisors is an integer number (2313604849320).

Almost surely, 2^{20244042431445} is an apocalyptic number.

It is an amenable number.

20244042431445 is a deficient number, since it is larger than the sum of its proper divisors (16773635157675).

20244042431445 is a wasteful number, since it uses less digits than its factorization.

20244042431445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192800404124.

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 20244042431445 its reverse (54413424044202), we get a palindrome (74657466475647).

The spelling of 20244042431445 in words is "twenty trillion, two hundred forty-four billion, forty-two million, four hundred thirty-one thousand, four hundred forty-five".