20776752 has 60 divisors (see below), whose sum is σ = 58580080. Its totient is φ = 6873984.

The previous prime is 20776741. The next prime is 20776759. The reversal of 20776752 is 25767702.

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

It is not an unprimeable number, because it can be changed into a prime (20776759) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22149 + ... + 23067.

Almost surely, 2^20776752 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 20776752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29290040).

20776752 is an abundant number, since it is smaller than the sum of its proper divisors (37803328).

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

20776752 is a wasteful number, since it uses less digits than its factorization.

20776752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 20776752 is about 4558.1522572200. The cubic root of 20776752 is about 274.9112749584.

It can be divided in two parts, 20776 and 752, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 20776752 in words is "twenty million, seven hundred seventy-six thousand, seven hundred fifty-two".