20476334 has 4 divisors (see below), whose sum is σ = 30714504. Its totient is φ = 10238166.

The previous prime is 20476333. The next prime is 20476361. The reversal of 20476334 is 43367402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20476297 and 20476306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20476331) 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 as a sum of consecutive naturals, namely, 5119082 + ... + 5119085.

It is an arithmetic number, because the mean of its divisors is an integer number (7678626).

Almost surely, 2^20476334 is an apocalyptic number.

20476334 is a deficient number, since it is larger than the sum of its proper divisors (10238170).

20476334 is a wasteful number, since it uses less digits than its factorization.

20476334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238169.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 20476334 is about 4525.0783418633. The cubic root of 20476334 is about 273.5798255675.

The spelling of 20476334 in words is "twenty million, four hundred seventy-six thousand, three hundred thirty-four".