20675846 has 4 divisors (see below), whose sum is σ = 31013772. Its totient is φ = 10337922.

The previous prime is 20675813. The next prime is 20675917. The reversal of 20675846 is 64857602.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168960 + ... + 5168963.

It is an arithmetic number, because the mean of its divisors is an integer number (7753443).

Almost surely, 2^20675846 is an apocalyptic number.

20675846 is a deficient number, since it is larger than the sum of its proper divisors (10337926).

20675846 is a wasteful number, since it uses less digits than its factorization.

20675846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337925.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 20675846 is about 4547.0700456448. The cubic root of 20675846 is about 274.4655006449.

The spelling of 20675846 in words is "twenty million, six hundred seventy-five thousand, eight hundred forty-six".