20382432 has 96 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 5814144.

The previous prime is 20382419. The next prime is 20382437. The reversal of 20382432 is 23428302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382437) 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, 32619 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 2^20382432 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 20382432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31248000).

20382432 is an abundant number, since it is smaller than the sum of its proper divisors (42113568).

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

20382432 is an equidigital number, since it uses as much as digits as its factorization.

20382432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20382432 is about 4514.6906870792. The cubic root of 20382432 is about 273.1609832903.

The spelling of 20382432 in words is "twenty million, three hundred eighty-two thousand, four hundred thirty-two".