20466807600 has 480 divisors, whose sum is σ = 74395238400. Its totient is φ = 4782412800.

The previous prime is 20466807587. The next prime is 20466807617. The reversal of 20466807600 is 670866402.

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 95 ways as a sum of consecutive naturals, for example, 16255771 + ... + 16257029.

It is an arithmetic number, because the mean of its divisors is an integer number (154990080).

Almost surely, 2^20466807600 is an apocalyptic number.

20466807600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20466807600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37197619200).

20466807600 is an abundant number, since it is smaller than the sum of its proper divisors (53928430800).

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

20466807600 is a wasteful number, since it uses less digits than its factorization.

20466807600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20466807600 in words is "twenty billion, four hundred sixty-six million, eight hundred seven thousand, six hundred".