20825274 has 16 divisors (see below), whose sum is σ = 41741280. Its totient is φ = 6926640.

The previous prime is 20825267. The next prime is 20825293. The reversal of 20825274 is 47252802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589 + ... + 6480.

It is an arithmetic number, because the mean of its divisors is an integer number (2608830).

Almost surely, 2^20825274 is an apocalyptic number.

20825274 is an abundant number, since it is smaller than the sum of its proper divisors (20916006).

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

20825274 is a wasteful number, since it uses less digits than its factorization.

20825274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 20825274 is about 4563.4717047441. The cubic root of 20825274 is about 275.1251177218.

The spelling of 20825274 in words is "twenty million, eight hundred twenty-five thousand, two hundred seventy-four".