20137628824920 has 96 divisors (see below), whose sum is σ = 65551014378720. Its totient is φ = 5361523937280.

The previous prime is 20137628824867. The next prime is 20137628824949. The reversal of 20137628824920 is 2942882673102.

20137628824920 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 7 + 628 + 8 + 2 + 4 + 9 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44097609 + ... + 44551928.

It is an arithmetic number, because the mean of its divisors is an integer number (682823066445).

Almost surely, 2^{20137628824920} is an apocalyptic number.

20137628824920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20137628824920 is an abundant number, since it is smaller than the sum of its proper divisors (45413385553800).

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

20137628824920 is a wasteful number, since it uses less digits than its factorization.

20137628824920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88650185 (or 88650178 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 20137628824920 in words is "twenty trillion, one hundred thirty-seven billion, six hundred twenty-eight million, eight hundred twenty-four thousand, nine hundred twenty".