20444145132024 has 72 divisors (see below), whose sum is σ = 58818182889960. Its totient is φ = 6413849446656.

The previous prime is 20444145131989. The next prime is 20444145132149. The reversal of 20444145132024 is 42023154144402.

20444145132024 is a `hidden beast` number, since 2 + 0 + 4 + 441 + 4 + 5 + 1 + 3 + 202 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20444145132024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 491236044 + ... + 491277659.

It is an arithmetic number, because the mean of its divisors is an integer number (816919206805).

Almost surely, 2^{20444145132024} is an apocalyptic number.

20444145132024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20444145132024 is an abundant number, since it is smaller than the sum of its proper divisors (38374037757936).

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

20444145132024 is a wasteful number, since it uses less digits than its factorization.

20444145132024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982513749 (or 982513725 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 20444145132024 its reverse (42023154144402), we get a palindrome (62467299276426).

The spelling of 20444145132024 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-five million, one hundred thirty-two thousand, twenty-four".