20465046 has 36 divisors (see below), whose sum is σ = 51582492. Its totient is φ = 5846904.

The previous prime is 20465041. The next prime is 20465047. The reversal of 20465046 is 64056402.

It is a happy number.

20465046 is a `hidden beast` number, since 2 + 0 + 4 + 650 + 4 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10720 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (1432847).

Almost surely, 2^20465046 is an apocalyptic number.

20465046 is an abundant number, since it is smaller than the sum of its proper divisors (31117446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20465046 is a wasteful number, since it uses less digits than its factorization.

20465046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225 (or 23215 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20465046 is about 4523.8308986964. The cubic root of 20465046 is about 273.5295441594.

The spelling of 20465046 in words is "twenty million, four hundred sixty-five thousand, forty-six".