20474466 has 8 divisors (see below), whose sum is σ = 40948944. Its totient is φ = 6824820.

The previous prime is 20474459. The next prime is 20474473. The reversal of 20474466 is 66447402.

It is an interprime number because it is at equal distance from previous prime (20474459) and next prime (20474473).

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

20474466 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1706200 + ... + 1706211.

It is an arithmetic number, because the mean of its divisors is an integer number (5118618).

Almost surely, 2^20474466 is an apocalyptic number.

20474466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20474466 is a wasteful number, since it uses less digits than its factorization.

20474466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412416.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 20474466 is about 4524.8719318893. The cubic root of 20474466 is about 273.5715060012.

The spelling of 20474466 in words is "twenty million, four hundred seventy-four thousand, four hundred sixty-six".