20675698 has 8 divisors (see below), whose sum is σ = 32014080. Its totient is φ = 10004340.

The previous prime is 20675693. The next prime is 20675701. The reversal of 20675698 is 89657602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20675693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166678 + ... + 166801.

It is an arithmetic number, because the mean of its divisors is an integer number (4001760).

Almost surely, 2^20675698 is an apocalyptic number.

20675698 is a deficient number, since it is larger than the sum of its proper divisors (11338382).

20675698 is a wasteful number, since it uses less digits than its factorization.

20675698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333512.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 20675698 is about 4547.0537713997. The cubic root of 20675698 is about 274.4648457585.

The spelling of 20675698 in words is "twenty million, six hundred seventy-five thousand, six hundred ninety-eight".