20759523748 has 24 divisors (see below), whose sum is σ = 36555120000. Its totient is φ = 10315380768.

The previous prime is 20759523691. The next prime is 20759523779. The reversal of 20759523748 is 84732595702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20759523695 and 20759523704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455286 + ... + 498802.

It is an arithmetic number, because the mean of its divisors is an integer number (1523130000).

Almost surely, 2^20759523748 is an apocalyptic number.

It is an amenable number.

20759523748 is a deficient number, since it is larger than the sum of its proper divisors (15795596252).

20759523748 is a wasteful number, since it uses less digits than its factorization.

20759523748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44259 (or 44257 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 20759523748 in words is "twenty billion, seven hundred fifty-nine million, five hundred twenty-three thousand, seven hundred forty-eight".