20444343130000 has 50 divisors (see below), whose sum is σ = 49497799176254. Its totient is φ = 8177737248000.

The previous prime is 20444343129989. The next prime is 20444343130073. The reversal of 20444343130000 is 3134344402.

It can be written as a sum of positive squares in 5 ways, for example, as 11739860617104 + 8704482512896 = 3426348^2 + 2950336^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1022207157 + ... + 1022227156.

Almost surely, 2^{20444343130000} is an apocalyptic number.

20444343130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444343130000 is an abundant number, since it is smaller than the sum of its proper divisors (29053456046254).

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

20444343130000 is an equidigital number, since it uses as much as digits as its factorization.

20444343130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044434341 (or 2044434320 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20444343130000 its reverse (3134344402), we get a palindrome (20447477474402).

The spelling of 20444343130000 in words is "twenty trillion, four hundred forty-four billion, three hundred forty-three million, one hundred thirty thousand".