20097282 has 16 divisors (see below), whose sum is σ = 40953600. Its totient is φ = 6572592.

The previous prime is 20097263. The next prime is 20097293. The reversal of 20097282 is 28279002.

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, 31282 + ... + 31917.

It is an arithmetic number, because the mean of its divisors is an integer number (2559600).

Almost surely, 2^20097282 is an apocalyptic number.

20097282 is an abundant number, since it is smaller than the sum of its proper divisors (20856318).

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

20097282 is a wasteful number, since it uses less digits than its factorization.

20097282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63257.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 20097282 is about 4482.9992192727. Note that the first 3 decimals coincide. The cubic root of 20097282 is about 271.8811566316.

The spelling of 20097282 in words is "twenty million, ninety-seven thousand, two hundred eighty-two".