20207466 has 24 divisors (see below), whose sum is σ = 43882020. Its totient is φ = 6720576.

The previous prime is 20207459. The next prime is 20207471. The reversal of 20207466 is 66470202.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 2187441 = 4245^2 + 1479^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9256 + ... + 11228.

Almost surely, 2^20207466 is an apocalyptic number.

20207466 is an abundant number, since it is smaller than the sum of its proper divisors (23674554).

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

20207466 is a wasteful number, since it uses less digits than its factorization.

20207466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20207466 is about 4495.2715157152. The cubic root of 20207466 is about 272.3771171111.

Adding to 20207466 its reverse (66470202), we get a palindrome (86677668).

The spelling of 20207466 in words is "twenty million, two hundred seven thousand, four hundred sixty-six".