20814070 has 8 divisors (see below), whose sum is σ = 37465344. Its totient is φ = 8325624.

The previous prime is 20814067. The next prime is 20814071. The reversal of 20814070 is 7041802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20814071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040694 + ... + 1040713.

It is an arithmetic number, because the mean of its divisors is an integer number (4683168).

Almost surely, 2^20814070 is an apocalyptic number.

20814070 is a deficient number, since it is larger than the sum of its proper divisors (16651274).

20814070 is a wasteful number, since it uses less digits than its factorization.

20814070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081414.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 20814070 is about 4562.2439654188. The cubic root of 20814070 is about 275.0757697551.

Adding to 20814070 its reverse (7041802), we get a palindrome (27855872).

The spelling of 20814070 in words is "twenty million, eight hundred fourteen thousand, seventy".