20853082 has 4 divisors (see below), whose sum is σ = 31279626. Its totient is φ = 10426540.

The previous prime is 20853061. The next prime is 20853083. The reversal of 20853082 is 28035802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28035802 = 2 ⋅14017901.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 10361961 = 3239^2 + 3219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20853082.

It is not an unprimeable number, because it can be changed into a prime (20853083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213269 + ... + 5213272.

Almost surely, 2^20853082 is an apocalyptic number.

20853082 is a deficient number, since it is larger than the sum of its proper divisors (10426544).

20853082 is a wasteful number, since it uses less digits than its factorization.

20853082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426543.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20853082 is about 4566.5174914808. The cubic root of 20853082 is about 275.2475214971.

Adding to 20853082 its reverse (28035802), we get a palindrome (48888884).

The spelling of 20853082 in words is "twenty million, eight hundred fifty-three thousand, eighty-two".