20144401747266 has 8 divisors (see below), whose sum is σ = 40288803494544. Its totient is φ = 6714800582420.

The previous prime is 20144401747229. The next prime is 20144401747303. The reversal of 20144401747266 is 66274710444102.

It is an interprime number because it is at equal distance from previous prime (20144401747229) and next prime (20144401747303).

It is a sphenic number, since it is the product of 3 distinct primes.

20144401747266 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678700145600 + ... + 1678700145611.

It is an arithmetic number, because the mean of its divisors is an integer number (5036100436818).

Almost surely, 2^{20144401747266} is an apocalyptic number.

20144401747266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20144401747266 is a wasteful number, since it uses less digits than its factorization.

20144401747266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357400291216.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 20144401747266 in words is "twenty trillion, one hundred forty-four billion, four hundred one million, seven hundred forty-seven thousand, two hundred sixty-six".