20328150 has 48 divisors (see below), whose sum is σ = 51385104. Its totient is φ = 5316480.

The previous prime is 20328149. The next prime is 20328151. The reversal of 20328150 is 5182302.

It is an interprime number because it is at equal distance from previous prime (20328149) and next prime (20328151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20328151) 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, 6672 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (1070523).

Almost surely, 2^20328150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20328150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25692552).

20328150 is an abundant number, since it is smaller than the sum of its proper divisors (31056954).

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

20328150 is a wasteful number, since it uses less digits than its factorization.

20328150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20328150 is about 4508.6749716519. The cubic root of 20328150 is about 272.9182757968.

The spelling of 20328150 in words is "twenty million, three hundred twenty-eight thousand, one hundred fifty".