20724751427376 has 80 divisors (see below), whose sum is σ = 55458278344800. Its totient is φ = 6661223460864.

The previous prime is 20724751427353. The next prime is 20724751427381. The reversal of 20724751427376 is 67372415742702.

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, 8780121 + ... + 10887608.

It is an arithmetic number, because the mean of its divisors is an integer number (693228479310).

Almost surely, 2^{20724751427376} is an apocalyptic number.

It is an amenable number.

20724751427376 is an abundant number, since it is smaller than the sum of its proper divisors (34733526917424).

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

20724751427376 is a wasteful number, since it uses less digits than its factorization.

20724751427376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668526 (or 19668520 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 57.

The spelling of 20724751427376 in words is "twenty trillion, seven hundred twenty-four billion, seven hundred fifty-one million, four hundred twenty-seven thousand, three hundred seventy-six".