20046838 has 8 divisors (see below), whose sum is σ = 34366032. Its totient is φ = 8591496.

The previous prime is 20046833. The next prime is 20046839. The reversal of 20046838 is 83864002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046833) 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, 715945 + ... + 715972.

It is an arithmetic number, because the mean of its divisors is an integer number (4295754).

Almost surely, 2^20046838 is an apocalyptic number.

20046838 is a deficient number, since it is larger than the sum of its proper divisors (14319194).

20046838 is a wasteful number, since it uses less digits than its factorization.

20046838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431926.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20046838 is about 4477.3695402546. The cubic root of 20046838 is about 271.6534929481.

The spelling of 20046838 in words is "twenty million, forty-six thousand, eight hundred thirty-eight".