20332752 has 80 divisors (see below), whose sum is σ = 58037952. Its totient is φ = 6082560.

The previous prime is 20332747. The next prime is 20332771. The reversal of 20332752 is 25723302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51018 + ... + 51414.

Almost surely, 2^20332752 is an apocalyptic number.

20332752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20332752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29018976).

20332752 is an abundant number, since it is smaller than the sum of its proper divisors (37705200).

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

20332752 is a wasteful number, since it uses less digits than its factorization.

20332752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20332752 is about 4509.1852922673. The cubic root of 20332752 is about 272.9388691634.

The spelling of 20332752 in words is "twenty million, three hundred thirty-two thousand, seven hundred fifty-two".