20896315080 has 128 divisors (see below), whose sum is σ = 64898565120. Its totient is φ = 5376983040.

The previous prime is 20896315067. The next prime is 20896315091. The reversal of 20896315080 is 8051369802.

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 31 ways as a sum of consecutive naturals, for example, 1305204 + ... + 1321116.

It is an arithmetic number, because the mean of its divisors is an integer number (507020040).

Almost surely, 2^20896315080 is an apocalyptic number.

20896315080 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 20896315080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32449282560).

20896315080 is an abundant number, since it is smaller than the sum of its proper divisors (44002250040).

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

20896315080 is a wasteful number, since it uses less digits than its factorization.

20896315080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16311 (or 16307 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 20896315080 in words is "twenty billion, eight hundred ninety-six million, three hundred fifteen thousand, eighty".