20750388644514 has 8 divisors (see below), whose sum is σ = 41500777289040. Its totient is φ = 6916796214836.

The previous prime is 20750388644473. The next prime is 20750388644543. The reversal of 20750388644514 is 41544688305702.

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

20750388644514 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1729199053704 + ... + 1729199053715.

It is an arithmetic number, because the mean of its divisors is an integer number (5187597161130).

Almost surely, 2^{20750388644514} is an apocalyptic number.

20750388644514 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.

20750388644514 is a wasteful number, since it uses less digits than its factorization.

20750388644514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458398107424.

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 20750388644514 in words is "twenty trillion, seven hundred fifty billion, three hundred eighty-eight million, six hundred forty-four thousand, five hundred fourteen".