20476814 has 8 divisors (see below), whose sum is σ = 30734640. Its totient is φ = 10231936.

The previous prime is 20476811. The next prime is 20476861. The reversal of 20476814 is 41867402.

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 (20476811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3647 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (3841830).

Almost surely, 2^20476814 is an apocalyptic number.

20476814 is a deficient number, since it is larger than the sum of its proper divisors (10257826).

20476814 is a wasteful number, since it uses less digits than its factorization.

20476814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20476814 is about 4525.1313793082. The cubic root of 20476814 is about 273.5819632758.

The spelling of 20476814 in words is "twenty million, four hundred seventy-six thousand, eight hundred fourteen".