20982035 has 4 divisors (see below), whose sum is σ = 25178448. Its totient is φ = 16785624.

The previous prime is 20982019. The next prime is 20982041. The reversal of 20982035 is 53028902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20982035 - 2⁴ = 20982019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20981989 and 20982007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098199 + ... + 2098208.

It is an arithmetic number, because the mean of its divisors is an integer number (6294612).

Almost surely, 2^20982035 is an apocalyptic number.

20982035 is a deficient number, since it is larger than the sum of its proper divisors (4196413).

20982035 is an equidigital number, since it uses as much as digits as its factorization.

20982035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196412.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20982035 is about 4580.6151333636. The cubic root of 20982035 is about 275.8137220616.

The spelling of 20982035 in words is "twenty million, nine hundred eighty-two thousand, thirty-five".