20488206045321 has 32 divisors (see below), whose sum is σ = 34713335623680. Its totient is φ = 11699341850448.

The previous prime is 20488206045319. The next prime is 20488206045331. The reversal of 20488206045321 is 12354060288402.

20488206045321 is a `hidden beast` number, since 2 + 0 + 4 + 8 + 8 + 2 + 0 + 604 + 5 + 32 + 1 = 666.

It is not a de Polignac number, because 20488206045321 - 2¹ = 20488206045319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20488206045331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 37713201 + ... + 38252606.

It is an arithmetic number, because the mean of its divisors is an integer number (1084791738240).

Almost surely, 2^{20488206045321} is an apocalyptic number.

20488206045321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20488206045321 is a deficient number, since it is larger than the sum of its proper divisors (14225129578359).

20488206045321 is a wasteful number, since it uses less digits than its factorization.

20488206045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75967250 (or 75967244 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 20488206045321 in words is "twenty trillion, four hundred eighty-eight billion, two hundred six million, forty-five thousand, three hundred twenty-one".