20047752544000 has 144 divisors (see below), whose sum is σ = 50787927721440. Its totient is φ = 7883183308800.

The previous prime is 20047752543983. The next prime is 20047752544051. The reversal of 20047752544000 is 44525774002.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421257 + ... + 7197256.

It is an arithmetic number, because the mean of its divisors is an integer number (352693942510).

Almost surely, 2^{20047752544000} is an apocalyptic number.

20047752544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20047752544000 is an abundant number, since it is smaller than the sum of its proper divisors (30740175177440).

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

20047752544000 is an equidigital number, since it uses as much as digits as its factorization.

20047752544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618603 (or 10618579 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 40.

The spelling of 20047752544000 in words is "twenty trillion, forty-seven billion, seven hundred fifty-two million, five hundred forty-four thousand".