20052528 has 40 divisors (see below), whose sum is σ = 52274928. Its totient is φ = 6623232.

The previous prime is 20052521. The next prime is 20052541. The reversal of 20052528 is 82525002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20052498 and 20052507.

It is not an unprimeable number, because it can be changed into a prime (20052521) 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, 3576 + ... + 7272.

Almost surely, 2^20052528 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 20052528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26137464).

20052528 is an abundant number, since it is smaller than the sum of its proper divisors (32222400).

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

20052528 is a wasteful number, since it uses less digits than its factorization.

20052528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 20052528 is about 4478.0049129049. The cubic root of 20052528 is about 271.6791921325.

The spelling of 20052528 in words is "twenty million, fifty-two thousand, five hundred twenty-eight".