20446004 has 12 divisors (see below), whose sum is σ = 36018528. Its totient is φ = 10155000.

The previous prime is 20446001. The next prime is 20446007. The reversal of 20446004 is 40064402.

It is an interprime number because it is at equal distance from previous prime (20446001) and next prime (20446007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446001) 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, 16322 + ... + 17529.

It is an arithmetic number, because the mean of its divisors is an integer number (3001544).

Almost surely, 2^20446004 is an apocalyptic number.

It is an amenable number.

20446004 is a deficient number, since it is larger than the sum of its proper divisors (15572524).

20446004 is a wasteful number, since it uses less digits than its factorization.

20446004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006 (or 34004 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20446004 is about 4521.7257767361. The cubic root of 20446004 is about 273.4446813178. Note that the first 3 decimals are identical.

The spelling of 20446004 in words is "twenty million, four hundred forty-six thousand, four".