20466358848576 has 315 divisors, whose sum is σ = 64049213691639. Its totient is φ = 6461106331392.

The previous prime is 20466358848571. The next prime is 20466358848581. The reversal of 20466358848576 is 67584885366402.

The square root of 20466358848576 is 4523976.

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

20466358848576 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 6 + 3 + 5 + 8 + 8 + 48 + 576 = 666.

It is an interprime number because it is at equal distance from previous prime (20466358848571) and next prime (20466358848581).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (20466358848571) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 6188797515 + ... + 6188800821.

Almost surely, 2^{20466358848576} is an apocalyptic number.

20466358848576 is the 4523976-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20466358848576

20466358848576 is an abundant number, since it is smaller than the sum of its proper divisors (43582854843063).

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

20466358848576 is an frugal number, since it uses more digits than its factorization.

20466358848576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 1857945600, while the sum is 72.

The spelling of 20466358848576 in words is "twenty trillion, four hundred sixty-six billion, three hundred fifty-eight million, eight hundred forty-eight thousand, five hundred seventy-six".