20467042 has 8 divisors (see below), whose sum is σ = 30823632. Its totient is φ = 10192500.

The previous prime is 20466989. The next prime is 20467061. The reversal of 20467042 is 24076402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20466998 and 20467016.

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, 19884 + ... + 20887.

It is an arithmetic number, because the mean of its divisors is an integer number (3852954).

Almost surely, 2^20467042 is an apocalyptic number.

20467042 is a deficient number, since it is larger than the sum of its proper divisors (10356590).

20467042 is a wasteful number, since it uses less digits than its factorization.

20467042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41024.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20467042 is about 4524.0515028014. The cubic root of 20467042 is about 273.5384365121.

The spelling of 20467042 in words is "twenty million, four hundred sixty-seven thousand, forty-two".