20795528 has 32 divisors (see below), whose sum is σ = 43023960. Its totient is φ = 9361920.

The previous prime is 20795521. The next prime is 20795543. The reversal of 20795528 is 82559702.

It can be written as a sum of positive squares in 4 ways, for example, as 6340324 + 14455204 = 2518^2 + 3802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20795491 and 20795500.

It is not an unprimeable number, because it can be changed into a prime (20795521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 6702.

Almost surely, 2^20795528 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 20795528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21511980).

20795528 is an abundant number, since it is smaller than the sum of its proper divisors (22228432).

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

20795528 is a wasteful number, since it uses less digits than its factorization.

20795528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 20795528 is about 4560.2113986086. The cubic root of 20795528 is about 274.9940626817.

The spelling of 20795528 in words is "twenty million, seven hundred ninety-five thousand, five hundred twenty-eight".