20794752 has 128 divisors (see below), whose sum is σ = 67075200. Its totient is φ = 6289920.

The previous prime is 20794747. The next prime is 20794771. The reversal of 20794752 is 25749702.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37743 + ... + 38289.

It is an arithmetic number, because the mean of its divisors is an integer number (524025).

Almost surely, 2^20794752 is an apocalyptic number.

20794752 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 20794752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33537600).

20794752 is an abundant number, since it is smaller than the sum of its proper divisors (46280448).

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

20794752 is a wasteful number, since it uses less digits than its factorization.

20794752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 20794752 is about 4560.1263140400. The cubic root of 20794752 is about 274.9906421058.

The spelling of 20794752 in words is "twenty million, seven hundred ninety-four thousand, seven hundred fifty-two".