20190528 has 42 divisors (see below), whose sum is σ = 57874154. Its totient is φ = 6729984.

The previous prime is 20190523. The next prime is 20190529. The reversal of 20190528 is 82509102.

It can be written as a sum of positive squares in only one way, i.e., 14197824 + 5992704 = 3768^2 + 2448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16951 + ... + 18102.

Almost surely, 2^20190528 is an apocalyptic number.

It is an amenable number.

20190528 is an abundant number, since it is smaller than the sum of its proper divisors (37683626).

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

20190528 is a wasteful number, since it uses less digits than its factorization.

20190528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35071 (or 35058 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 20190528 is about 4493.3871411219. The cubic root of 20190528 is about 272.3009932132.

The spelling of 20190528 in words is "twenty million, one hundred ninety thousand, five hundred twenty-eight".