20484882 has 48 divisors (see below), whose sum is σ = 48720672. Its totient is φ = 6168960.

The previous prime is 20484853. The next prime is 20484883. The reversal of 20484882 is 28848402.

It is a super-3 number, since 3×20484882³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20484883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60618 + ... + 60954.

It is an arithmetic number, because the mean of its divisors is an integer number (1015014).

Almost surely, 2^20484882 is an apocalyptic number.

20484882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20484882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24360336).

20484882 is an abundant number, since it is smaller than the sum of its proper divisors (28235790).

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

20484882 is a wasteful number, since it uses less digits than its factorization.

20484882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 20484882 is about 4526.0227573445. The cubic root of 20484882 is about 273.6178895915.

The spelling of 20484882 in words is "twenty million, four hundred eighty-four thousand, eight hundred eighty-two".