20594546064 has 45 divisors (see below), whose sum is σ = 57640945323. Its totient is φ = 6864274656.

The previous prime is 20594546023. The next prime is 20594546129. The reversal of 20594546064 is 46064549502.

The square root of 20594546064 is 143508.

It is a perfect power (a square), and thus also a powerful number.

20594546064 is a `hidden beast` number, since 2 + 0 + 594 + 54 + 6 + 0 + 6 + 4 = 666.

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 8 ways as a sum of consecutive naturals, for example, 1716117 + ... + 1728075.

Almost surely, 2^20594546064 is an apocalyptic number.

20594546064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

20594546064 is the 143508-th square number.

It is an amenable number.

20594546064 is an abundant number, since it is smaller than the sum of its proper divisors (37046399259).

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

20594546064 is an frugal number, since it uses more digits than its factorization.

20594546064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23932 (or 11964 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 20594546064 in words is "twenty billion, five hundred ninety-four million, five hundred forty-six thousand, sixty-four".