20528192 has 28 divisors (see below), whose sum is σ = 41841420. Its totient is φ = 9985536.

The previous prime is 20528171. The next prime is 20528203. The reversal of 20528192 is 29182502.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 6270016 = 3776^2 + 2504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 6702.

Almost surely, 2^20528192 is an apocalyptic number.

It is an amenable number.

20528192 is an abundant number, since it is smaller than the sum of its proper divisors (21313228).

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

20528192 is an equidigital number, since it uses as much as digits as its factorization.

20528192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 20528192 is about 4530.8047850244. The cubic root of 20528192 is about 273.8105853409.

The spelling of 20528192 in words is "twenty million, five hundred twenty-eight thousand, one hundred ninety-two".