20528092 has 18 divisors (see below), whose sum is σ = 38901408. Its totient is φ = 9474192.

The previous prime is 20528087. The next prime is 20528171. The reversal of 20528092 is 29082502.

It is a super-2 number, since 2×20528092² = 842805122320928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20528092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14508 + ... + 15859.

Almost surely, 2^20528092 is an apocalyptic number.

It is an amenable number.

20528092 is a deficient number, since it is larger than the sum of its proper divisors (18373316).

20528092 is a wasteful number, since it uses less digits than its factorization.

20528092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30397 (or 30382 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 20528092 is about 4530.7937494439. The cubic root of 20528092 is about 273.8101407311.

The spelling of 20528092 in words is "twenty million, five hundred twenty-eight thousand, ninety-two".