20601304656576 has 896 divisors, whose sum is σ = 68046669250560. Its totient is φ = 5371630387200.

The previous prime is 20601304656571. The next prime is 20601304656589. The reversal of 20601304656576 is 67565640310602.

It is not an unprimeable number, because it can be changed into a prime (20601304656571) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36079342371 + ... + 36079342941.

It is an arithmetic number, because the mean of its divisors is an integer number (75944943360).

Almost surely, 2^{20601304656576} 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 20601304656576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34023334625280).

20601304656576 is an abundant number, since it is smaller than the sum of its proper divisors (47445364593984).

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

20601304656576 is a wasteful number, since it uses less digits than its factorization.

20601304656576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 20601304656576 in words is "twenty trillion, six hundred one billion, three hundred four million, six hundred fifty-six thousand, five hundred seventy-six".