20748153202384 has 20 divisors (see below), whose sum is σ = 40216430375460. Its totient is φ = 10369719557120.

The previous prime is 20748153202369. The next prime is 20748153202391. The reversal of 20748153202384 is 48320235184702.

It can be written as a sum of positive squares in 2 ways, for example, as 1602907923600 + 19145245278784 = 1266060^2 + 4375528^2 .

It is a super-2 number, since 2×20748153202384² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 272275969 + ... + 272352160.

It is an arithmetic number, because the mean of its divisors is an integer number (2010821518773).

Almost surely, 2^{20748153202384} is an apocalyptic number.

It is an amenable number.

20748153202384 is a deficient number, since it is larger than the sum of its proper divisors (19468277173076).

20748153202384 is a wasteful number, since it uses less digits than its factorization.

20748153202384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544630518 (or 544630512 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 20748153202384 in words is "twenty trillion, seven hundred forty-eight billion, one hundred fifty-three million, two hundred two thousand, three hundred eighty-four".