20443144200 has 96 divisors (see below), whose sum is σ = 63410971200. Its totient is φ = 5448303360.

The previous prime is 20443144121. The next prime is 20443144219. The reversal of 20443144200 is 244134402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1118334 + ... + 1136466.

It is an arithmetic number, because the mean of its divisors is an integer number (660530950).

Almost surely, 2^20443144200 is an apocalyptic number.

20443144200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20443144200 is an abundant number, since it is smaller than the sum of its proper divisors (42967827000).

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

20443144200 is a wasteful number, since it uses less digits than its factorization.

20443144200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031 (or 20022 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20443144200 its reverse (244134402), we get a palindrome (20687278602).

The spelling of 20443144200 in words is "twenty billion, four hundred forty-three million, one hundred forty-four thousand, two hundred".