20452528 has 20 divisors (see below), whose sum is σ = 40106808. Its totient is φ = 10102400.

The previous prime is 20452519. The next prime is 20452559. The reversal of 20452528 is 82525402.

It is a junction number, because it is equal to n+sod(n) for n = 20452496 and 20452505.

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, 6373 + ... + 9028.

Almost surely, 2^20452528 is an apocalyptic number.

It is an amenable number.

20452528 is a deficient number, since it is larger than the sum of its proper divisors (19654280).

20452528 is a wasteful number, since it uses less digits than its factorization.

20452528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492 (or 15486 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 20452528 is about 4522.4471251746. The cubic root of 20452528 is about 273.4737621982.

The spelling of 20452528 in words is "twenty million, four hundred fifty-two thousand, five hundred twenty-eight".