20084672 has 56 divisors (see below), whose sum is σ = 42672000. Its totient is φ = 9351936.

The previous prime is 20084671. The next prime is 20084717. The reversal of 20084672 is 27648002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100829 + ... + 101027.

It is an arithmetic number, because the mean of its divisors is an integer number (762000).

Almost surely, 2^20084672 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 20084672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21336000).

20084672 is an abundant number, since it is smaller than the sum of its proper divisors (22587328).

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

20084672 is a wasteful number, since it uses less digits than its factorization.

20084672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20084672 is about 4481.5925740745. The cubic root of 20084672 is about 271.8242809691.

The spelling of 20084672 in words is "twenty million, eighty-four thousand, six hundred seventy-two".