20004442001740 has 48 divisors (see below), whose sum is σ = 48727237853952. Its totient is φ = 6756297679296.

The previous prime is 20004442001729. The next prime is 20004442001759. The reversal of 20004442001740 is 4710024440002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20004442001699 and 20004442001708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066325482 + ... + 1066344241.

It is an arithmetic number, because the mean of its divisors is an integer number (1015150788624).

Almost surely, 2^{20004442001740} is an apocalyptic number.

20004442001740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004442001740 is an abundant number, since it is smaller than the sum of its proper divisors (28722795852212).

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

20004442001740 is a wasteful number, since it uses less digits than its factorization.

20004442001740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132669806 (or 2132669804 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 20004442001740 its reverse (4710024440002), we get a palindrome (24714466441742).

The spelling of 20004442001740 in words is "twenty trillion, four billion, four hundred forty-two million, one thousand, seven hundred forty".