20304592896 has 256 divisors, whose sum is σ = 65178489600. Its totient is φ = 5492441088.

The previous prime is 20304592883. The next prime is 20304592927. The reversal of 20304592896 is 69829540302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13073656 + ... + 13075208.

It is an arithmetic number, because the mean of its divisors is an integer number (254603475).

Almost surely, 2^20304592896 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 20304592896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32589244800).

20304592896 is an abundant number, since it is smaller than the sum of its proper divisors (44873896704).

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

20304592896 is an equidigital number, since it uses as much as digits as its factorization.

20304592896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20304592896 in words is "twenty billion, three hundred four million, five hundred ninety-two thousand, eight hundred ninety-six".