20582119872 has 112 divisors (see below), whose sum is σ = 60984709120. Its totient is φ = 6806612736.

The previous prime is 20582119849. The next prime is 20582119879. The reversal of 20582119872 is 27891128502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20582119879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172563 + ... + 266349.

Almost surely, 2^20582119872 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 20582119872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30492354560).

20582119872 is an abundant number, since it is smaller than the sum of its proper divisors (40402589248).

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

20582119872 is a wasteful number, since it uses less digits than its factorization.

20582119872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93935 (or 93919 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 20582119872 in words is "twenty billion, five hundred eighty-two million, one hundred nineteen thousand, eight hundred seventy-two".