20620046 has 8 divisors (see below), whose sum is σ = 30952584. Its totient is φ = 10302520.

The previous prime is 20620037. The next prime is 20620049. The reversal of 20620046 is 64002602.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620049) 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, 776 + ... + 6468.

It is an arithmetic number, because the mean of its divisors is an integer number (3869073).

Almost surely, 2^20620046 is an apocalyptic number.

20620046 is a deficient number, since it is larger than the sum of its proper divisors (10332538).

20620046 is a wasteful number, since it uses less digits than its factorization.

20620046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20620046 is about 4540.9300809416. The cubic root of 20620046 is about 274.2183689085.

Adding to 20620046 its reverse (64002602), we get a palindrome (84622648).

The spelling of 20620046 in words is "twenty million, six hundred twenty thousand, forty-six".