20000466 has 32 divisors (see below), whose sum is σ = 47062080. Its totient is φ = 6274368.

The previous prime is 20000443. The next prime is 20000471. The reversal of 20000466 is 66400002.

20000466 is a `hidden beast` number, since 200 + 0 + 0 + 466 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9976 + ... + 11811.

It is an arithmetic number, because the mean of its divisors is an integer number (1470690).

Almost surely, 2^20000466 is an apocalyptic number.

20000466 is an abundant number, since it is smaller than the sum of its proper divisors (27061614).

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

20000466 is a wasteful number, since it uses less digits than its factorization.

20000466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21815 (or 21809 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20000466 is about 4472.1880550800. The cubic root of 20000466 is about 271.4438698408.

Adding to 20000466 its reverse (66400002), we get a palindrome (86400468).

The spelling of 20000466 in words is "twenty million, four hundred sixty-six", and thus it is an aban number.