20500812411548 has 48 divisors (see below), whose sum is σ = 41060907417600. Its totient is φ = 8773367416704.

The previous prime is 20500812411539. The next prime is 20500812411601. The reversal of 20500812411548 is 84511421800502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59146853 + ... + 59492451.

It is an arithmetic number, because the mean of its divisors is an integer number (855435571200).

Almost surely, 2^{20500812411548} is an apocalyptic number.

20500812411548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20500812411548 is an abundant number, since it is smaller than the sum of its proper divisors (20560095006052).

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

20500812411548 is a wasteful number, since it uses less digits than its factorization.

20500812411548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348666 (or 348664 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 20500812411548 in words is "twenty trillion, five hundred billion, eight hundred twelve million, four hundred eleven thousand, five hundred forty-eight".