20244000442020 has 96 divisors (see below), whose sum is σ = 57905659123200. Its totient is φ = 5282040766464.

The previous prime is 20244000442009. The next prime is 20244000442051. The reversal of 20244000442020 is 2024400044202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8934676 + ... + 10968884.

It is an arithmetic number, because the mean of its divisors is an integer number (603183949200).

Almost surely, 2^{20244000442020} is an apocalyptic number.

20244000442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244000442020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28952829561600).

20244000442020 is an abundant number, since it is smaller than the sum of its proper divisors (37661658681180).

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

20244000442020 is a wasteful number, since it uses less digits than its factorization.

20244000442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037797 (or 2037795 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20244000442020 its reverse (2024400044202), we get a palindrome (22268400486222).

The spelling of 20244000442020 in words is "twenty trillion, two hundred forty-four billion, four hundred forty-two thousand, twenty".