20479366 has 8 divisors (see below), whose sum is σ = 31023504. Its totient is φ = 10138200.

The previous prime is 20479363. The next prime is 20479367. The reversal of 20479366 is 66397402.

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 (20479363) 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, 50490 + ... + 50893.

It is an arithmetic number, because the mean of its divisors is an integer number (3877938).

Almost surely, 2^20479366 is an apocalyptic number.

20479366 is a deficient number, since it is larger than the sum of its proper divisors (10544138).

20479366 is a wasteful number, since it uses less digits than its factorization.

20479366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101486.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 20479366 is about 4525.4133512863. The cubic root of 20479366 is about 273.5933281976.

The spelling of 20479366 in words is "twenty million, four hundred seventy-nine thousand, three hundred sixty-six".