20044463051382 has 144 divisors (see below), whose sum is σ = 54042111862848. Its totient is φ = 4900097690880.

The previous prime is 20044463051369. The next prime is 20044463051383. The reversal of 20044463051382 is 28315036444002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044463051383) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9788628 + ... + 11657879.

It is an arithmetic number, because the mean of its divisors is an integer number (375292443492).

Almost surely, 2^{20044463051382} is an apocalyptic number.

20044463051382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20044463051382 is an abundant number, since it is smaller than the sum of its proper divisors (33997648811466).

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

20044463051382 is a wasteful number, since it uses less digits than its factorization.

20044463051382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446571 (or 21446547 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 20044463051382 its reverse (28315036444002), we get a palindrome (48359499495384).

The spelling of 20044463051382 in words is "twenty trillion, forty-four billion, four hundred sixty-three million, fifty-one thousand, three hundred eighty-two".