20608368576 has 224 divisors, whose sum is σ = 57132516672. Its totient is φ = 6550978560.

The previous prime is 20608368533. The next prime is 20608368577. The reversal of 20608368576 is 67586380602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20608368577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104610910 + ... + 104611106.

It is an arithmetic number, because the mean of its divisors is an integer number (255055878).

Almost surely, 2^20608368576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20608368576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28566258336).

20608368576 is an abundant number, since it is smaller than the sum of its proper divisors (36524148096).

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

20608368576 is a wasteful number, since it uses less digits than its factorization.

20608368576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 20608368576 in words is "twenty billion, six hundred eight million, three hundred sixty-eight thousand, five hundred seventy-six".