20441466 has 24 divisors (see below), whose sum is σ = 45018324. Its totient is φ = 6701760.

The previous prime is 20441461. The next prime is 20441467. The reversal of 20441466 is 66414402.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 2025 = 4521^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (20441461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8211 + ... + 10406.

Almost surely, 2^20441466 is an apocalyptic number.

20441466 is an abundant number, since it is smaller than the sum of its proper divisors (24576858).

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

20441466 is a wasteful number, since it uses less digits than its factorization.

20441466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686 (or 18683 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20441466 is about 4521.2239493305. The cubic root of 20441466 is about 273.4244494299.

Adding to 20441466 its reverse (66414402), we get a palindrome (86855868).

It can be divided in two parts, 204414 and 66, that added together give a triangular number (204480 = T₆₃₉).

The spelling of 20441466 in words is "twenty million, four hundred forty-one thousand, four hundred sixty-six".