20200046 has 8 divisors (see below), whose sum is σ = 32082480. Its totient is φ = 9505888.

The previous prime is 20200043. The next prime is 20200057. The reversal of 20200046 is 64000202.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20200046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297026 + ... + 297093.

It is an arithmetic number, because the mean of its divisors is an integer number (4010310).

Almost surely, 2^20200046 is an apocalyptic number.

20200046 is a deficient number, since it is larger than the sum of its proper divisors (11882434).

20200046 is a wasteful number, since it uses less digits than its factorization.

20200046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594138.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20200046 is about 4494.4461282788. The cubic root of 20200046 is about 272.3437748862.

Adding to 20200046 its reverse (64000202), we get a palindrome (84200248).

The spelling of 20200046 in words is "twenty million, two hundred thousand, forty-six".