20255427584 has 88 divisors (see below), whose sum is σ = 48711394560. Its totient is φ = 8223952896.

The previous prime is 20255427553. The next prime is 20255427589. The reversal of 20255427584 is 48572455202.

It is a super-3 number, since 3×20255427584³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20255427589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61829 + ... + 210555.

Almost surely, 2^20255427584 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 20255427584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24355697280).

20255427584 is an abundant number, since it is smaller than the sum of its proper divisors (28455966976).

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

20255427584 is a wasteful number, since it uses less digits than its factorization.

20255427584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148773 (or 148755 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 44.

The spelling of 20255427584 in words is "twenty billion, two hundred fifty-five million, four hundred twenty-seven thousand, five hundred eighty-four".