20245466 has 8 divisors (see below), whose sum is σ = 30466164. Its totient is φ = 10090080.

The previous prime is 20245447. The next prime is 20245471. The reversal of 20245466 is 66454202.

It can be written as a sum of positive squares in 2 ways, for example, as 14100025 + 6145441 = 3755^2 + 2479^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15545 + ... + 16796.

Almost surely, 2^20245466 is an apocalyptic number.

20245466 is a deficient number, since it is larger than the sum of its proper divisors (10220698).

20245466 is a wasteful number, since it uses less digits than its factorization.

20245466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32656.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 20245466 is about 4499.4961940199. The cubic root of 20245466 is about 272.5477446292.

Adding to 20245466 its reverse (66454202), we get a palindrome (86699668).

The spelling of 20245466 in words is "twenty million, two hundred forty-five thousand, four hundred sixty-six".