20443141441404 has 144 divisors (see below), whose sum is σ = 57003186161376. Its totient is φ = 6125850432000.

The previous prime is 20443141441351. The next prime is 20443141441421. The reversal of 20443141441404 is 40414414134402.

20443141441404 is a `hidden beast` number, since 2 + 0 + 4 + 431 + 41 + 44 + 140 + 4 = 666.

It is a super-2 number, since 2×20443141441404² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31556154 + ... + 32197470.

It is an arithmetic number, because the mean of its divisors is an integer number (395855459454).

Almost surely, 2^{20443141441404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20443141441404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28501593080688).

20443141441404 is an abundant number, since it is smaller than the sum of its proper divisors (36560044719972).

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

20443141441404 is a wasteful number, since it uses less digits than its factorization.

20443141441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642236 (or 642231 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 20443141441404 its reverse (40414414134402), we get a palindrome (60857555575806).

The spelling of 20443141441404 in words is "twenty trillion, four hundred forty-three billion, one hundred forty-one million, four hundred forty-one thousand, four hundred four".